First draft

convert_hf_to_gguf.py

@@ -3741,6 +3741,28 @@ class Qwen3MoeModel(Qwen2MoeModel):
 
         super().set_vocab()
 
+@ModelBase.register("Qwen3NextForCausalLM")
+class Qwen3NextModel(Qwen3MoeModel):
+    model_arch = gguf.MODEL_ARCH.QWEN3NEXT
+
+    def set_gguf_parameters(self):
+        super().set_gguf_parameters()
+        self.gguf_writer.add_ssm_conv_kernel(self.find_hparam(["linear_conv_kernel_dim"]))
+        self.gguf_writer.add_ssm_state_size(self.find_hparam(["linear_key_head_dim"]))
+        self.gguf_writer.add_ssm_group_count(self.find_hparam(["linear_num_key_heads"]))
+        self.gguf_writer.add_ssm_time_step_rank(self.find_hparam(["linear_num_value_heads"]))
+        self.gguf_writer.add_ssm_inner_size(self.find_hparam(["hidden_size"]) * (self.find_hparam(["linear_num_value_heads"]) // self.find_hparam(["linear_num_key_heads"])))
+
+    def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]:        
+        if name.endswith(".A_log"):
+            data_torch = -torch.exp(data_torch)
+        elif name.endswith(".dt_bias"):
+            name = name.rpartition(".dt_bias")[0] + ".dt_proj.bias"
+        elif "conv1d" in name:
+            data_torch = data_torch.squeeze()
+
+        return Qwen2MoeModel.modify_tensors(self, data_torch, name, bid)
+
 
 @ModelBase.register("GPT2LMHeadModel")
 class GPT2Model(TextModel):

ggml/include/ggml.h

@@ -539,7 +539,8 @@ extern "C" {
         GGML_OP_RWKV_WKV6,
         GGML_OP_GATED_LINEAR_ATTN,
         GGML_OP_RWKV_WKV7,
-
+        GGML_OP_DELTA_NET,
+    
         GGML_OP_UNARY,
 
         GGML_OP_MAP_CUSTOM1,
@@ -2278,6 +2279,31 @@ extern "C" {
             struct ggml_tensor  * state,
             float scale);
 
+    // Delta-Net linear layer activation
+    // Implements the complete Delta-Net gated linear attention mechanism
+    // This includes causal convolution preprocessing and gated delta rule computation
+    // k, v, q, g: [S, H, n_tokens, n_seqs] - key, value, query, gate tensors
+    // conv_weight: [conv_dim, 1, conv_kernel_size] - convolution kernel weights
+    // conv_bias: [conv_dim] - convolution bias (optional, can be NULL)
+    // beta: [H, n_tokens, n_seqs] - beta parameter for delta rule
+    // state: [S, S, H, n_seqs] - recurrent state tensor
+    // chunk_size: chunk size for chunked computation (0 for recurrent mode)
+    // use_qk_l2norm: whether to apply L2 normalization to query and key
+    // scale: attention scaling factor
+    GGML_API struct ggml_tensor * ggml_delta_net(
+            struct ggml_context * ctx,
+            struct ggml_tensor  * k,
+            struct ggml_tensor  * v,
+            struct ggml_tensor  * q,
+            struct ggml_tensor  * g,
+            struct ggml_tensor  * conv_weight,
+            struct ggml_tensor  * conv_bias,
+            struct ggml_tensor  * beta,
+            struct ggml_tensor  * state,
+            int                   chunk_size,
+            bool                  use_qk_l2norm,
+            float                 scale);
+
     GGML_API struct ggml_tensor * ggml_rwkv_wkv7(
             struct ggml_context * ctx,
             struct ggml_tensor  * r,

ggml/src/ggml-cpu/ggml-cpu.c

@@ -1656,6 +1656,172 @@ static void ggml_compute_forward_mul_mat_id(
     }
 }
 
+// ggml_compute_forward_delta_net
+
+static void ggml_compute_forward_delta_net(
+        const struct ggml_compute_params * params,
+        struct ggml_tensor * dst) {
+
+    const struct ggml_tensor * src0 = dst->src[0]; // query
+    const struct ggml_tensor * src1 = dst->src[1]; // key
+    const struct ggml_tensor * src2 = dst->src[2]; // value
+    const struct ggml_tensor * src3 = dst->src[3]; // gate
+    const struct ggml_tensor * src4 = dst->src[4]; // beta
+    const struct ggml_tensor * src5 = dst->src[5]; // state
+
+    GGML_ASSERT(src0->type == GGML_TYPE_F32);
+    GGML_ASSERT(src1->type == GGML_TYPE_F32);
+    GGML_ASSERT(src2->type == GGML_TYPE_F32);
+    GGML_ASSERT(src3->type == GGML_TYPE_F32);
+    GGML_ASSERT(src4->type == GGML_TYPE_F32);
+    GGML_ASSERT(src5->type == GGML_TYPE_F32);
+    GGML_ASSERT(dst->type  == GGML_TYPE_F32);
+
+    GGML_TENSOR_TERNARY_OP_LOCALS;
+    GGML_TENSOR_LOCALS(int64_t, ne3, src3, ne);
+    GGML_TENSOR_LOCALS(size_t,  nb3, src3, nb);
+    GGML_TENSOR_LOCALS(int64_t, ne4, src4, ne);
+    GGML_TENSOR_LOCALS(size_t,  nb4, src4, nb);
+    GGML_TENSOR_LOCALS(int64_t, ne5, src5, ne);
+    GGML_TENSOR_LOCALS(size_t,  nb5, src5, nb);
+
+    const int ith = params->ith;
+    const int nth = params->nth;
+
+    const int64_t S = src0->ne[0]; // head dimension
+    const int64_t H = src0->ne[1]; // number of heads
+    const int64_t n_tokens = src0->ne[2];
+    const int64_t n_seqs = src0->ne[3];
+
+    GGML_ASSERT(ne00 == S && ne01 == H && ne02 == n_tokens && ne03 == n_seqs);
+    GGML_ASSERT(ne10 == S && ne11 == H && ne12 == n_tokens && ne13 == n_seqs);
+    GGML_ASSERT(ne20 == S && ne21 == H && ne22 == n_tokens && ne23 == n_seqs);
+    GGML_ASSERT(ne30 == S && ne31 == H && ne32 == n_tokens && ne33 == n_seqs);
+    GGML_ASSERT(ne40 == H && ne41 == n_tokens && ne42 == n_seqs && ne43 == 1);
+    GGML_ASSERT(ne50 == S && ne51 == S && ne52 == H && ne53 == n_seqs);
+
+    // Get operation parameters
+    bool use_qk_l2norm = ggml_get_op_params_i32(dst, 1) != 0;
+    float scale;
+    memcpy(&scale, ((int32_t*)dst->op_params) + 4, sizeof(float));
+
+    GGML_ASSERT(ne0 == S * H);
+    GGML_ASSERT(ne1 == n_tokens + S * n_seqs);
+
+    // Parallelize over sequences and heads
+    const int64_t n_total = n_seqs * H;
+    const int64_t n_per_thread = (n_total + nth - 1) / nth;
+    const int64_t n_start = ith * n_per_thread;
+    const int64_t n_end = MIN(n_start + n_per_thread, n_total);
+
+    for (int64_t n = n_start; n < n_end; ++n) {
+        const int64_t seq_idx = n / H;
+        const int64_t head_idx = n % H;
+
+        // Get pointers to current sequence and head
+        float * q_ptr = (float *)((char *)src0->data + seq_idx * nb03 + head_idx * nb01);
+        float * k_ptr = (float *)((char *)src1->data + seq_idx * nb13 + head_idx * nb11);
+        float * v_ptr = (float *)((char *)src2->data + seq_idx * nb23 + head_idx * nb21);
+        float * g_ptr = (float *)((char *)src3->data + seq_idx * nb33 + head_idx * nb31);
+        float * beta_ptr = (float *)((char *)src4->data + seq_idx * nb43);
+        float * state_ptr = (float *)((char *)src5->data + seq_idx * nb53 + head_idx * nb51);
+
+        float * out_ptr = (float *)((char *)dst->data + n * ne0 * sizeof(float));
+        float * new_state_ptr = out_ptr + n_tokens * S;
+
+        // Apply L2 normalization if requested
+        if (use_qk_l2norm) {
+            // Normalize query and key
+            for (int64_t t = 0; t < n_tokens; ++t) {
+                float q_sum = 0.0f, k_sum = 0.0f;
+                for (int64_t s = 0; s < S; ++s) {
+                    float q_val = q_ptr[t * nb02 / sizeof(float) + s];
+                    float k_val = k_ptr[t * nb12 / sizeof(float) + s];
+                    q_sum += q_val * q_val;
+                    k_sum += k_val * k_val;
+                }
+                float q_norm = sqrtf(q_sum + 1e-6f);
+                float k_norm = sqrtf(k_sum + 1e-6f);
+                
+                for (int64_t s = 0; s < S; ++s) {
+                    q_ptr[t * nb02 / sizeof(float) + s] /= q_norm;
+                    k_ptr[t * nb12 / sizeof(float) + s] /= k_norm;
+                }
+            }
+        }
+
+        // Apply scaling to query
+        for (int64_t i = 0; i < n_tokens * S; ++i) {
+            q_ptr[i] *= scale;
+        }
+
+        // Apply sigmoid to beta
+        float * beta_sigmoid = (float *)alloca(n_tokens * sizeof(float));
+        for (int64_t t = 0; t < n_tokens; ++t) {
+            beta_sigmoid[t] = 1.0f / (1.0f + expf(-beta_ptr[t * nb42 / sizeof(float)]));
+        }
+
+        // Complete implementation of gated delta rule
+        // Based on torch_recurrent_gated_delta_rule from the reference implementation
+        
+        // Process each token sequentially for recurrent computation
+        for (int64_t t = 0; t < n_tokens; ++t) {
+            // Get pointers to current token data
+            float * q_t = q_ptr + t * (nb02 / sizeof(float));
+            float * k_t = k_ptr + t * (nb12 / sizeof(float));
+            float * v_t = v_ptr + t * (nb22 / sizeof(float));
+            float * g_t = g_ptr + t * (nb32 / sizeof(float));
+            
+            // Apply exponential to gate and multiply by beta
+            float g_exp = expf(g_t[0]);  // g is per-head, not per-dimension
+            float beta_t = beta_sigmoid[t];
+            
+            // Update recurrent state: state = state * g_exp
+            for (int64_t i = 0; i < S * S; ++i) {
+                state_ptr[i] *= g_exp;
+            }
+            
+            // Compute kv_mem = (state * k_t^T).sum(dim=-1)
+            // This is a matrix-vector multiplication: state[S×S] @ k_t[S]
+            float kv_mem[S];
+            for (int64_t i = 0; i < S; ++i) {
+                kv_mem[i] = 0.0f;
+                for (int64_t j = 0; j < S; ++j) {
+                    kv_mem[i] += state_ptr[i * S + j] * k_t[j];
+                }
+            }
+            
+            // Compute delta = (v_t - kv_mem) * beta_t
+            float delta[S];
+            for (int64_t i = 0; i < S; ++i) {
+                delta[i] = (v_t[i] - kv_mem[i]) * beta_t;
+            }
+            
+            // Update state: state = state + k_t * delta^T
+            // This is an outer product: k_t[S] ⊗ delta[S]
+            for (int64_t i = 0; i < S; ++i) {
+                for (int64_t j = 0; j < S; ++j) {
+                    state_ptr[i * S + j] += k_t[i] * delta[j];
+                }
+            }
+            
+            // Compute output: out = (state * q_t^T).sum(dim=-1)
+            // This is a matrix-vector multiplication: state[S×S] @ q_t[S]
+            float * out_t = out_ptr + t * S;
+            for (int64_t i = 0; i < S; ++i) {
+                out_t[i] = 0.0f;
+                for (int64_t j = 0; j < S; ++j) {
+                    out_t[i] += state_ptr[i * S + j] * q_t[j];
+                }
+            }
+        }
+
+        // Copy final state to new_state
+        memcpy(new_state_ptr, state_ptr, S * S * sizeof(float));
+    }
+}
+
+
 /////////////////////////////////
 
 static void ggml_compute_forward(struct ggml_compute_params * params, struct ggml_tensor * tensor) {
@@ -1998,6 +2164,10 @@ static void ggml_compute_forward(struct ggml_compute_params * params, struct ggm
             {
                 ggml_compute_forward_rwkv_wkv7(params, tensor);
             } break;
+        case GGML_OP_DELTA_NET:
+            {
+                ggml_compute_forward_delta_net(params, tensor);
+            } break;
         case GGML_OP_MAP_CUSTOM1:
             {
                 ggml_compute_forward_map_custom1(params, tensor);
@@ -2291,6 +2461,7 @@ static int ggml_get_n_tasks(struct ggml_tensor * node, int n_threads) {
         case GGML_OP_RWKV_WKV6:
         case GGML_OP_GATED_LINEAR_ATTN:
         case GGML_OP_RWKV_WKV7:
+        case GGML_OP_DELTA_NET:
             {
                 n_tasks = n_threads;
             } break;

ggml/src/ggml.c

@@ -1002,6 +1002,7 @@ static const char * GGML_OP_NAME[GGML_OP_COUNT] = {
     "RWKV_WKV6",
     "GATED_LINEAR_ATTN",
     "RWKV_WKV7",
+    "DELTA_NET",
 
     "UNARY",
 
@@ -1019,7 +1020,7 @@ static const char * GGML_OP_NAME[GGML_OP_COUNT] = {
     "GLU",
 };
 
-static_assert(GGML_OP_COUNT == 90, "GGML_OP_COUNT != 90");
+static_assert(GGML_OP_COUNT == 91, "GGML_OP_COUNT != 91");
 
 static const char * GGML_OP_SYMBOL[GGML_OP_COUNT] = {
     "none",
@@ -1106,6 +1107,7 @@ static const char * GGML_OP_SYMBOL[GGML_OP_COUNT] = {
     "rwkv_wkv6(k, v, r, tf, td, s)",
     "gated_linear_attn(k, v, q, gate, s)",
     "rwkv_wkv7(r, w, k, v, a, b, s)",
+    "delta_net(k, v, q, g, conv_w, conv_b, beta, state, chunk_size, use_qk_l2norm, scale)",
 
     "unary(x)",
 
@@ -1123,7 +1125,7 @@ static const char * GGML_OP_SYMBOL[GGML_OP_COUNT] = {
     "glu(x)",
 };
 
-static_assert(GGML_OP_COUNT == 90, "GGML_OP_COUNT != 90");
+static_assert(GGML_OP_COUNT == 91, "GGML_OP_COUNT != 91");
 
 static_assert(GGML_OP_POOL_COUNT == 2, "GGML_OP_POOL_COUNT != 2");
 
@@ -5417,6 +5419,124 @@ struct ggml_tensor * ggml_gated_linear_attn(
     return result;
 }
 
+// ggml_delta_net
+
+struct ggml_tensor * ggml_delta_net(
+        struct ggml_context * ctx,
+        struct ggml_tensor  * k,
+        struct ggml_tensor  * v,
+        struct ggml_tensor  * q,
+        struct ggml_tensor  * g,
+        struct ggml_tensor  * conv_weight,
+        struct ggml_tensor  * conv_bias,
+        struct ggml_tensor  * beta,
+        struct ggml_tensor  * state,
+        int                   chunk_size,
+        bool                  use_qk_l2norm,
+        float                 scale) {
+    GGML_ASSERT(ggml_is_contiguous(k));
+    GGML_ASSERT(ggml_is_contiguous(v));
+    GGML_ASSERT(ggml_is_contiguous(q));
+    GGML_ASSERT(ggml_is_contiguous(g));
+    GGML_ASSERT(ggml_is_contiguous(beta));
+    GGML_ASSERT(ggml_is_contiguous(state));
+    
+    const int64_t S = k->ne[0];
+    const int64_t H = k->ne[1];
+    const int64_t n_tokens = k->ne[2];
+    const int64_t n_seqs = state->ne[1];
+    
+    // Validate dimensions
+    GGML_ASSERT(v->ne[0] == S && v->ne[1] == H && v->ne[2] == n_tokens);
+    GGML_ASSERT(q->ne[0] == S && q->ne[1] == H && q->ne[2] == n_tokens);
+    GGML_ASSERT(g->ne[0] == S && g->ne[1] == H && g->ne[2] == n_tokens);
+    GGML_ASSERT(beta->ne[0] == H && beta->ne[1] == n_tokens && beta->ne[2] == n_seqs);
+    GGML_ASSERT(ggml_nelements(state) == S * S * H * n_seqs);
+    
+    // Apply L2 normalization to query and key if requested
+    struct ggml_tensor * q_norm = q;
+    struct ggml_tensor * k_norm = k;
+    if (use_qk_l2norm) {
+        q_norm = ggml_l2_norm(ctx, q, 1e-6f);
+        k_norm = ggml_l2_norm(ctx, k, 1e-6f);
+    }
+    
+    // Apply scaling to query
+    q_norm = ggml_scale(ctx, q_norm, scale);
+    
+    // Apply sigmoid to beta for gating
+    struct ggml_tensor * beta_sigmoid = ggml_sigmoid(ctx, beta);
+    
+    // Apply causal 1D convolution preprocessing to mixed QKV
+    // Concatenate q, k, v along the feature dimension
+    int64_t concat_ne[4] = { q->ne[0], q->ne[1], q->ne[2], q->ne[3] * 3 };
+    struct ggml_tensor * mixed_qkv = ggml_concat(ctx, q_norm, k_norm, 3);
+    mixed_qkv = ggml_concat(ctx, mixed_qkv, v, 3);
+    
+    // Transpose for convolution: [S, H, n_tokens, n_seqs*3] -> [S, n_tokens, H, n_seqs*3]
+    mixed_qkv = ggml_permute(ctx, mixed_qkv, 0, 2, 1, 3);
+    
+    // Apply causal 1D convolution
+    struct ggml_tensor * conv_out = ggml_conv_1d(
+        ctx,
+        conv_weight,
+        mixed_qkv,
+        1,  // stride
+        conv_weight->ne[2] - 1,  // padding (kernel_size - 1)
+        1   // dilation
+    );
+    
+    // Apply bias if provided
+    if (conv_bias) {
+        conv_out = ggml_add(ctx, conv_out, conv_bias);
+    }
+    
+    // Apply SiLU activation
+    conv_out = ggml_silu(ctx, conv_out);
+    
+    // Transpose back: [S, n_tokens, H, n_seqs*3] -> [S, H, n_tokens, n_seqs*3]
+    conv_out = ggml_permute(ctx, conv_out, 0, 2, 1, 3);
+    
+    // Split the convolved output back into q, k, v components
+    // Split along the last dimension (3 * original size)
+    int64_t split_size = q->ne[3];
+    struct ggml_tensor * q_conv = ggml_view_4d(ctx, conv_out, q->ne[0], q->ne[1], q->ne[2], split_size,
+                                               conv_out->nb[0], conv_out->nb[1], conv_out->nb[2], 0);
+    
+    struct ggml_tensor * k_conv = ggml_view_4d(ctx, conv_out, k->ne[0], k->ne[1], k->ne[2], split_size,
+                                               conv_out->nb[0], conv_out->nb[1], conv_out->nb[2],
+                                               split_size * ggml_type_size(q->type));
+    
+    struct ggml_tensor * v_conv = ggml_view_4d(ctx, conv_out, v->ne[0], v->ne[1], v->ne[2], split_size,
+                                               conv_out->nb[0], conv_out->nb[1], conv_out->nb[2],
+                                               2 * split_size * ggml_type_size(q->type));
+    
+    // concat output and new_state
+    const int64_t ne[4] = { S * H, n_tokens + S * n_seqs, 1, 1 };
+    struct ggml_tensor * result = ggml_new_tensor(ctx, GGML_TYPE_F32, 4, ne);
+    
+    // Set operation parameters for the delta rule computation
+    int32_t params[8] = {
+        chunk_size,
+        use_qk_l2norm ? 1 : 0,
+        0, 0,  // reserved
+        0, 0, 0, 0  // scale and other params
+    };
+    memcpy(params + 4, &scale, sizeof(float));
+    ggml_set_op_params(result, params, sizeof(params));
+    
+    // Use custom operation for the gated delta rule computation
+    result->op = GGML_OP_DELTA_NET;
+    result->src[0] = q_conv;
+    result->src[1] = k_conv;
+    result->src[2] = v_conv;
+    result->src[3] = g;
+    result->src[4] = beta_sigmoid;
+    result->src[5] = state;
+    
+    return result;
+}
+
 // ggml_rwkv_wkv7
 
 struct ggml_tensor * ggml_rwkv_wkv7(

gguf-py/gguf/constants.py

@@ -335,6 +335,7 @@ class MODEL_ARCH(IntEnum):
     QWEN2VL          = auto()
     QWEN3            = auto()
     QWEN3MOE         = auto()
+    QWEN3NEXT        = auto()
     PHI2             = auto()
     PHI3             = auto()
     PHIMOE           = auto()
@@ -481,6 +482,7 @@ class MODEL_TENSOR(IntEnum):
     SSM_D                = auto()
     SSM_NORM             = auto()
     SSM_OUT              = auto()
+    SSM_BETA_ALPHA       = auto()
     TIME_MIX_W0          = auto()
     TIME_MIX_W1          = auto()
     TIME_MIX_W2          = auto()
@@ -671,6 +673,7 @@ MODEL_ARCH_NAMES: dict[MODEL_ARCH, str] = {
     MODEL_ARCH.QWEN2VL:          "qwen2vl",
     MODEL_ARCH.QWEN3:            "qwen3",
     MODEL_ARCH.QWEN3MOE:         "qwen3moe",
+    MODEL_ARCH.QWEN3NEXT:        "qwen3next",
     MODEL_ARCH.PHI2:             "phi2",
     MODEL_ARCH.PHI3:             "phi3",
     MODEL_ARCH.PHIMOE:           "phimoe",
@@ -818,6 +821,7 @@ TENSOR_NAMES: dict[MODEL_TENSOR, str] = {
     MODEL_TENSOR.SSM_D:                     "blk.{bid}.ssm_d",
     MODEL_TENSOR.SSM_NORM:                  "blk.{bid}.ssm_norm",
     MODEL_TENSOR.SSM_OUT:                   "blk.{bid}.ssm_out",
+    MODEL_TENSOR.SSM_BETA_ALPHA:            "blk.{bid}.ssm_ba",
     MODEL_TENSOR.TIME_MIX_W0:               "blk.{bid}.time_mix_w0",
     MODEL_TENSOR.TIME_MIX_W1:               "blk.{bid}.time_mix_w1",
     MODEL_TENSOR.TIME_MIX_W2:               "blk.{bid}.time_mix_w2",
@@ -1462,6 +1466,34 @@ MODEL_TENSORS: dict[MODEL_ARCH, list[MODEL_TENSOR]] = {
         MODEL_TENSOR.FFN_DOWN_EXP,
         MODEL_TENSOR.FFN_UP_EXP,
     ],
+    MODEL_ARCH.QWEN3NEXT: [
+        MODEL_TENSOR.TOKEN_EMBD,
+        MODEL_TENSOR.OUTPUT_NORM,
+        MODEL_TENSOR.OUTPUT,
+        MODEL_TENSOR.ATTN_NORM,
+        MODEL_TENSOR.ATTN_Q,
+        MODEL_TENSOR.ATTN_Q_NORM,
+        MODEL_TENSOR.ATTN_K,
+        MODEL_TENSOR.ATTN_K_NORM,
+        MODEL_TENSOR.ATTN_V,
+        MODEL_TENSOR.ATTN_OUT,
+        MODEL_TENSOR.ATTN_POST_NORM,
+        MODEL_TENSOR.FFN_GATE_INP,
+        MODEL_TENSOR.FFN_GATE_INP_SHEXP,
+        MODEL_TENSOR.FFN_UP_SHEXP,
+        MODEL_TENSOR.FFN_DOWN_SHEXP,
+        MODEL_TENSOR.FFN_GATE_SHEXP,
+        MODEL_TENSOR.FFN_DOWN_EXP,
+        MODEL_TENSOR.FFN_UP_EXP,
+        MODEL_TENSOR.FFN_GATE_EXP,
+        MODEL_TENSOR.SSM_A,
+        MODEL_TENSOR.SSM_CONV1D,
+        MODEL_TENSOR.SSM_DT,
+        MODEL_TENSOR.SSM_NORM,
+        MODEL_TENSOR.SSM_IN,
+        MODEL_TENSOR.SSM_BETA_ALPHA,
+        MODEL_TENSOR.SSM_OUT
+    ],
     MODEL_ARCH.PLAMO: [
         MODEL_TENSOR.TOKEN_EMBD,
         MODEL_TENSOR.OUTPUT_NORM,

gguf-py/gguf/tensor_mapping.py

@@ -628,10 +628,11 @@ class TensorNameMap:
         ),
 
         MODEL_TENSOR.SSM_IN: (
-            "model.layers.{bid}.in_proj",               # mamba-hf
-            "backbone.layers.{bid}.mixer.in_proj",      # mamba
-            "model.layers.{bid}.mamba.in_proj",         # jamba falcon-h1 granite-hybrid
-            "model.layers.layers.{bid}.mixer.in_proj",  # plamo2
+            "model.layers.{bid}.in_proj",                   # mamba-hf
+            "backbone.layers.{bid}.mixer.in_proj",          # mamba
+            "model.layers.{bid}.mamba.in_proj",             # jamba falcon-h1 granite-hybrid
+            "model.layers.layers.{bid}.mixer.in_proj",      # plamo2
+            "model.layers.{bid}.linear_attn.in_proj_qkvz",  # qwen3next
         ),
 
         MODEL_TENSOR.SSM_CONV1D: (
@@ -639,6 +640,7 @@ class TensorNameMap:
             "backbone.layers.{bid}.mixer.conv1d",      # mamba
             "model.layers.{bid}.mamba.conv1d",         # jamba falcon-h1 granite-hybrid
             "model.layers.layers.{bid}.mixer.conv1d",  # plamo2
+            "model.layers.{bid}.linear_attn.conv1d",   # qwen3next
         ),
 
         MODEL_TENSOR.SSM_X: (
@@ -653,6 +655,7 @@ class TensorNameMap:
             "backbone.layers.{bid}.mixer.dt_proj",      # mamba
             "model.layers.{bid}.mamba.dt_proj",         # jamba falcon-h1 granite-hybrid
             "model.layers.layers.{bid}.mixer.dt_proj",  # plamo2
+            "model.layers.{bid}.linear_attn.dt_proj",   # qwen3next
         ),
 
         MODEL_TENSOR.SSM_DT_NORM: (
@@ -665,6 +668,7 @@ class TensorNameMap:
             "backbone.layers.{bid}.mixer.A_log",      # mamba
             "model.layers.{bid}.mamba.A_log",         # jamba falcon-h1 granite-hybrid
             "model.layers.layers.{bid}.mixer.A_log",  # plamo2
+            "model.layers.{bid}.linear_attn.A_log",   # qwen3next
         ),
 
         MODEL_TENSOR.SSM_B_NORM: (
@@ -687,17 +691,23 @@ class TensorNameMap:
         ),
 
         MODEL_TENSOR.SSM_NORM: (
-            "model.layers.{bid}.mamba.norm", # falcon-h1 granite-hybrid
-            "backbone.layers.{bid}.mixer.norm",  # mamba2
+            "model.layers.{bid}.mamba.norm",        # falcon-h1 granite-hybrid
+            "model.layers.{bid}.linear_attn.norm",  # qwen3next
+            "backbone.layers.{bid}.mixer.norm",     # mamba2
         ),
 
         MODEL_TENSOR.SSM_OUT: (
             "model.layers.{bid}.out_proj",               # mamba-hf
             "backbone.layers.{bid}.mixer.out_proj",      # mamba
             "model.layers.{bid}.mamba.out_proj",         # jamba falcon-h1 granite-hybrid
+            "model.layers.{bid}.linear_attn.out_proj",   # qwen3next
             "model.layers.layers.{bid}.mixer.out_proj",  # plamo2
         ),
 
+        MODEL_TENSOR.SSM_BETA_ALPHA: (
+            "model.layers.{bid}.linear_attn.in_proj_ba",  # qwen3next
+        ),
+
         MODEL_TENSOR.TIME_MIX_W0: (
             "model.layers.{bid}.attention.w0",            # rwkv7
         ),

src/llama-arch.cpp

@@ -31,6 +31,7 @@ static const std::map<llm_arch, const char *> LLM_ARCH_NAMES = {
     { LLM_ARCH_QWEN2VL,          "qwen2vl"          },
     { LLM_ARCH_QWEN3,            "qwen3"            },
     { LLM_ARCH_QWEN3MOE,         "qwen3moe"         },
+    { LLM_ARCH_QWEN3NEXT,        "qwen3next"        },
     { LLM_ARCH_PHI2,             "phi2"             },
     { LLM_ARCH_PHI3,             "phi3"             },
     { LLM_ARCH_PHIMOE,           "phimoe"           },
@@ -754,6 +755,38 @@ static const std::map<llm_arch, std::map<llm_tensor, const char *>> LLM_TENSOR_N
             { LLM_TENSOR_FFN_UP_EXPS,        "blk.%d.ffn_up_exps" },
         },
     },
+    {
+        LLM_ARCH_QWEN3NEXT,
+        {
+            { LLM_TENSOR_TOKEN_EMBD,         "token_embd" },
+            { LLM_TENSOR_OUTPUT_NORM,        "output_norm" },
+            { LLM_TENSOR_OUTPUT,             "output" },
+            { LLM_TENSOR_ATTN_NORM,          "blk.%d.attn_norm" },
+            { LLM_TENSOR_ATTN_POST_NORM,     "blk.%d.post_attention_norm" },
+            { LLM_TENSOR_ATTN_Q,             "blk.%d.attn_q" },
+            { LLM_TENSOR_ATTN_Q_NORM,        "blk.%d.attn_q_norm" },
+            { LLM_TENSOR_ATTN_K,             "blk.%d.attn_k" },
+            { LLM_TENSOR_ATTN_K_NORM,        "blk.%d.attn_k_norm" },
+            { LLM_TENSOR_ATTN_V,             "blk.%d.attn_v" },
+            { LLM_TENSOR_ATTN_OUT,           "blk.%d.attn_output" },
+            { LLM_TENSOR_FFN_NORM,           "blk.%d.ffn_norm" },
+            { LLM_TENSOR_FFN_GATE_INP,       "blk.%d.ffn_gate_inp" },
+            { LLM_TENSOR_FFN_GATE_EXPS,      "blk.%d.ffn_gate_exps" },
+            { LLM_TENSOR_FFN_DOWN_EXPS,      "blk.%d.ffn_down_exps" },
+            { LLM_TENSOR_FFN_UP_EXPS,        "blk.%d.ffn_up_exps" },
+            { LLM_TENSOR_FFN_GATE_INP_SHEXP, "blk.%d.ffn_gate_inp_shexp" },
+            { LLM_TENSOR_FFN_GATE_SHEXP,     "blk.%d.ffn_gate_shexp" },
+            { LLM_TENSOR_FFN_DOWN_SHEXP,     "blk.%d.ffn_down_shexp" },
+            { LLM_TENSOR_FFN_UP_SHEXP,       "blk.%d.ffn_up_shexp" },
+            { LLM_TENSOR_SSM_A,              "blk.%d.ssm_a" },
+            { LLM_TENSOR_SSM_CONV1D,         "blk.%d.ssm_conv1d" },
+            { LLM_TENSOR_SSM_DT,             "blk.%d.ssm_dt" },
+            { LLM_TENSOR_SSM_BETA_ALPHA,     "blk.%d.ssm_ba" },
+            { LLM_TENSOR_SSM_IN,             "blk.%d.ssm_in" },
+            { LLM_TENSOR_SSM_NORM,           "blk.%d.ssm_norm" },
+            { LLM_TENSOR_SSM_OUT,            "blk.%d.ssm_out" },
+        },
+    },
     {
         LLM_ARCH_PHI2,
         {
@@ -2275,6 +2308,7 @@ static const std::map<llm_tensor, llm_tensor_info> LLM_TENSOR_INFOS = {
     {LLM_TENSOR_SSM_C_NORM,                 {LLM_TENSOR_LAYER_REPEATING, GGML_OP_MUL}},
     {LLM_TENSOR_SSM_D,                      {LLM_TENSOR_LAYER_REPEATING, GGML_OP_MUL}},
     {LLM_TENSOR_SSM_NORM,                   {LLM_TENSOR_LAYER_REPEATING, GGML_OP_MUL}},
+    {LLM_TENSOR_SSM_BETA_ALPHA,             {LLM_TENSOR_LAYER_REPEATING, GGML_OP_MUL}},
     {LLM_TENSOR_TIME_MIX_LERP_X,            {LLM_TENSOR_LAYER_REPEATING, GGML_OP_MUL}},
     {LLM_TENSOR_TIME_MIX_LN,                {LLM_TENSOR_LAYER_REPEATING, GGML_OP_MUL}},
     {LLM_TENSOR_CHANNEL_MIX_LERP_K,         {LLM_TENSOR_LAYER_REPEATING, GGML_OP_MUL}},
@@ -2438,6 +2472,7 @@ bool llm_arch_is_hybrid(const llm_arch & arch) {
         case LLM_ARCH_GRANITE_HYBRID:
         case LLM_ARCH_LFM2:
         case LLM_ARCH_NEMOTRON_H:
+        case LLM_ARCH_QWEN3NEXT:
             return true;
         default:
             return false;

src/llama-arch.h

@@ -35,6 +35,7 @@ enum llm_arch {
     LLM_ARCH_QWEN2VL,
     LLM_ARCH_QWEN3,
     LLM_ARCH_QWEN3MOE,
+    LLM_ARCH_QWEN3NEXT,
     LLM_ARCH_PHI2,
     LLM_ARCH_PHI3,
     LLM_ARCH_PHIMOE,
@@ -334,6 +335,7 @@ enum llm_tensor {
     LLM_TENSOR_SSM_D,
     LLM_TENSOR_SSM_NORM,
     LLM_TENSOR_SSM_OUT,
+    LLM_TENSOR_SSM_BETA_ALPHA,      // qwen3next
     LLM_TENSOR_TIME_MIX_W0,
     LLM_TENSOR_TIME_MIX_W1,
     LLM_TENSOR_TIME_MIX_W2,

src/llama-model-loader.cpp

@@ -811,6 +811,7 @@ struct ggml_tensor * llama_model_loader::create_tensor(struct ggml_context * ctx
 }
 
 struct ggml_tensor * llama_model_loader::create_tensor_as_view(struct ggml_context * ctx, struct ggml_tensor * base, const std::string & name, const std::initializer_list<int64_t> & ne, size_t offset, bool required) {
+    LLAMA_LOG_DEBUG("%s: loading tensor %s as view\n", __func__, name.c_str());
     const struct ggml_tensor * cur = check_tensor_dims(name, ne, required);
 
     if (cur == NULL) {

src/llama-model.cpp

@@ -112,6 +112,7 @@ const char * llm_type_name(llm_type type) {
         case LLM_TYPE_A13B:          return "A13B";
         case LLM_TYPE_21B_A3B:       return "21B.A3B";
         case LLM_TYPE_30B_A3B:       return "30B.A3B";
+        case LLM_TYPE_80B_A3B:       return "80B.A3B";
         case LLM_TYPE_106B_A12B:     return "106B.A12B";
         case LLM_TYPE_235B_A22B:     return "235B.A22B";
         case LLM_TYPE_300B_A47B:     return "300B.A47B";
@@ -1809,6 +1810,29 @@ void llama_model::load_hparams(llama_model_loader & ml) {
                 // For Granite MoE Shared
                 ml.get_key(LLM_KV_EXPERT_SHARED_FEED_FORWARD_LENGTH, hparams.n_ff_shexp, /* required */ false);
             } break;
+        case LLM_ARCH_QWEN3NEXT:
+            {
+                ml.get_key(LLM_KV_EXPERT_FEED_FORWARD_LENGTH, hparams.n_ff_exp, false);
+                ml.get_key(LLM_KV_EXPERT_SHARED_FEED_FORWARD_LENGTH, hparams.n_ff_shexp, false);
+                ml.get_key(LLM_KV_ATTENTION_LAYERNORM_RMS_EPS, hparams.f_norm_rms_eps);
+
+                // Load linear attention (gated delta net) parameters
+                ml.get_key(LLM_KV_SSM_CONV_KERNEL,    hparams.ssm_d_conv);
+                ml.get_key(LLM_KV_SSM_INNER_SIZE,     hparams.ssm_d_inner);
+                ml.get_key(LLM_KV_SSM_STATE_SIZE,     hparams.ssm_d_state);
+                ml.get_key(LLM_KV_SSM_TIME_STEP_RANK, hparams.ssm_dt_rank);
+                ml.get_key(LLM_KV_SSM_GROUP_COUNT,    hparams.ssm_n_group);
+
+                // Mark recurrent layers (linear attention layers)
+                for (uint32_t i = 0; i < hparams.n_layer; ++i) {
+                    hparams.recurrent_layer_arr[i] = ((i + 1) % 4 != 0); // TODO: extract the magic 4 from "full_attention_interval"
+                }
+
+                switch (hparams.n_layer) {
+                    case 80: type = LLM_TYPE_80B_A3B; break;
+                    default: type = LLM_TYPE_UNKNOWN;
+                }
+            } break;
         case LLM_ARCH_CHAMELEON:
             {
                 ml.get_key(LLM_KV_ATTENTION_LAYERNORM_RMS_EPS, hparams.f_norm_rms_eps);
@@ -2360,6 +2384,76 @@ bool llama_model::load_tensors(llama_model_loader & ml) {
                         }
                     }
                 } break;
+            case LLM_ARCH_QWEN3NEXT:
+                {
+                    tok_embd = create_tensor(tn(LLM_TENSOR_TOKEN_EMBD, "weight"), { n_embd, n_vocab }, 0);
+
+                    // output
+                    output_norm = create_tensor(tn(LLM_TENSOR_OUTPUT_NORM, "weight"), { n_embd }, 0);
+                    output = create_tensor(tn(LLM_TENSOR_OUTPUT, "weight"), { n_embd, n_vocab }, TENSOR_NOT_REQUIRED);
+
+                    // if output is NULL, init from the input tok embed
+                    if (output == NULL) {
+                        output = create_tensor(tn(LLM_TENSOR_TOKEN_EMBD, "weight"), { n_embd, n_vocab }, TENSOR_DUPLICATED);
+                    }
+
+                    const int64_t n_ff_exp = hparams.n_ff_exp ? hparams.n_ff_exp : n_ff / n_expert_used;
+
+                    // Calculate dimensions from hyperparameters
+                    const int64_t head_k_dim = hparams.ssm_d_state;
+                    const int64_t head_v_dim = hparams.ssm_d_state;
+                    const int64_t n_k_heads  = hparams.ssm_n_group;
+                    const int64_t n_v_heads  = hparams.ssm_dt_rank;
+                    const int64_t key_dim   = head_k_dim * n_k_heads;
+                    const int64_t value_dim = head_v_dim * n_v_heads;
+                    const int64_t conv_dim = key_dim * 2 + value_dim;
+
+                    // Calculate projection sizes
+                    const int64_t qkvz_projection_size = key_dim * 2 + value_dim * 2;
+                    const int64_t ba_projection_size   = n_v_heads * 2;
+
+                    for (int i = 0; i < n_layer; ++i) {
+                        auto & layer = layers[i];
+
+                        layer.attn_norm      = create_tensor(tn(LLM_TENSOR_ATTN_NORM, "weight", i), { n_embd }, 0);
+                        layer.attn_post_norm = create_tensor(tn(LLM_TENSOR_ATTN_POST_NORM, "weight", i), { n_embd }, 0);
+
+                        if ((i + 1) % 4 == 0) {  // TODO: magic 4
+                                                 // Attention layers
+                            layer.wq = create_tensor(tn(LLM_TENSOR_ATTN_Q, "weight", i), { n_embd, n_ff }, 0);
+                            layer.wk = create_tensor(tn(LLM_TENSOR_ATTN_K, "weight", i), { n_embd, n_embd_k_gqa }, 0);
+                            layer.wv = create_tensor(tn(LLM_TENSOR_ATTN_V, "weight", i), { n_embd, n_embd_v_gqa }, 0);
+                            layer.wo = create_tensor(tn(LLM_TENSOR_ATTN_OUT, "weight", i), { n_embd_head_k * n_head, n_embd }, 0);
+
+                            // Q/K normalization for attention layers
+                            layer.attn_q_norm = create_tensor(tn(LLM_TENSOR_ATTN_Q_NORM, "weight", i), { n_embd_head_k }, 0);
+                            layer.attn_k_norm = create_tensor(tn(LLM_TENSOR_ATTN_K_NORM, "weight", i), { n_embd_head_k }, 0);
+
+                        } else {
+                            // Linear attention (gated delta net) specific tensors
+                            // Create tensors with calculated dimensions
+                            layer.ssm_in = create_tensor(tn(LLM_TENSOR_SSM_IN, "weight", i), { n_embd, qkvz_projection_size }, 0);
+                            layer.ssm_conv1d = create_tensor(tn(LLM_TENSOR_SSM_CONV1D, "weight", i), { hparams.ssm_d_conv, conv_dim }, 0);
+                            layer.ssm_dt = create_tensor(tn(LLM_TENSOR_SSM_DT, "bias", i), { hparams.ssm_dt_rank }, 0);
+                            layer.ssm_a = create_tensor(tn(LLM_TENSOR_SSM_A, i), { hparams.ssm_dt_rank }, 0);
+                            layer.ssm_beta_alpha = create_tensor(tn(LLM_TENSOR_SSM_BETA_ALPHA, "weight", i), { n_embd, ba_projection_size }, 0);
+                            layer.ssm_norm = create_tensor(tn(LLM_TENSOR_SSM_NORM, "weight", i), { head_v_dim }, 0);
+                            layer.ssm_out = create_tensor(tn(LLM_TENSOR_SSM_OUT, "weight", i), { n_ff, n_embd }, 0);
+                        }
+
+                        layer.ffn_gate_inp = create_tensor(tn(LLM_TENSOR_FFN_GATE_INP, "weight", i), { n_embd, n_expert }, 0);
+                        layer.ffn_gate_exps = create_tensor(tn(LLM_TENSOR_FFN_GATE_EXPS, "weight", i), { n_embd, n_ff_exp, n_expert }, 0);
+                        layer.ffn_down_exps = create_tensor(tn(LLM_TENSOR_FFN_DOWN_EXPS, "weight", i), { n_ff_exp, n_embd, n_expert }, 0);
+                        layer.ffn_up_exps   = create_tensor(tn(LLM_TENSOR_FFN_UP_EXPS, "weight", i), { n_embd, n_ff_exp, n_expert }, 0);
+
+                        // Shared experts
+                        layer.ffn_gate_inp_shexp = create_tensor(tn(LLM_TENSOR_FFN_GATE_INP_SHEXP, "weight", i), { n_embd }, 0);
+                        layer.ffn_gate_shexp = create_tensor(tn(LLM_TENSOR_FFN_GATE_SHEXP, "weight", i), { n_embd, hparams.n_ff_shexp }, 0);
+                        layer.ffn_up_shexp   = create_tensor(tn(LLM_TENSOR_FFN_UP_SHEXP, "weight", i), { n_embd, hparams.n_ff_shexp }, 0);
+                        layer.ffn_down_shexp = create_tensor(tn(LLM_TENSOR_FFN_DOWN_SHEXP, "weight", i), { hparams.n_ff_shexp, n_embd }, 0);
+                    }
+                }
+                break;
             case LLM_ARCH_LLADA:
                 {
                     tok_embd = create_tensor(tn(LLM_TENSOR_TOKEN_EMBD, "weight"), { n_embd, n_vocab }, 0);
@@ -6075,7 +6169,8 @@ void llama_model::print_info() const {
         arch == LLM_ARCH_FALCON_H1 ||
         arch == LLM_ARCH_PLAMO2 ||
         arch == LLM_ARCH_GRANITE_HYBRID ||
-        arch == LLM_ARCH_NEMOTRON_H) {
+        arch == LLM_ARCH_NEMOTRON_H ||
+        arch == LLM_ARCH_QWEN3NEXT) {
         LLAMA_LOG_INFO("%s: ssm_d_conv       = %u\n",     __func__, hparams.ssm_d_conv);
         LLAMA_LOG_INFO("%s: ssm_d_inner      = %u\n",     __func__, hparams.ssm_d_inner);
         LLAMA_LOG_INFO("%s: ssm_d_state      = %u\n",     __func__, hparams.ssm_d_state);
@@ -18827,6 +18922,329 @@ struct llm_build_smallthinker : public llm_graph_context{
     }
 };
 
+struct llm_build_qwen3next : public llm_graph_context_mamba {
+    llm_build_qwen3next(const llama_model & model, const llm_graph_params & params) : llm_graph_context_mamba(params) {
+        const int64_t n_embd_head = hparams.n_embd_head_v;
+        GGML_ASSERT(n_embd_head == hparams.n_embd_head_k);
+
+        ggml_tensor * cur;
+        ggml_tensor * inpL;
+
+        inpL = build_inp_embd(model.tok_embd);
+
+        auto * inp = build_inp_mem_hybrid();
+
+        ggml_tensor * inp_pos = build_inp_pos();
+
+        ggml_tensor * inp_out_ids = build_inp_out_ids();
+
+        for (int il = 0; il < n_layer; ++il) {
+            struct ggml_tensor * inpSA = inpL;
+
+            // Pre-norm for attention/linear attention
+            cur = build_norm(inpL,
+                    model.layers[il].attn_norm, NULL,
+                    LLM_NORM_RMS, il);
+            cb(cur, "attn_norm", il);
+
+            // Determine layer type and build appropriate attention mechanism
+            if (hparams.is_recurrent(il)) {
+                // Linear attention layer (gated delta net)
+                cur = build_qwen3next_linear_attn_layer(inp->get_recr(), cur, model, ubatch, il);
+            } else {
+                // Full attention layer
+                cur = build_qwen3next_attention_layer(
+                    cur, inp_pos, inp->get_attn(), model,
+                    n_embd_head, il);
+            }
+
+            // Post-attention norm
+            cur = build_norm(cur,
+                    model.layers[il].attn_post_norm, NULL,
+                    LLM_NORM_RMS, il);
+            cb(cur, "attn_post_norm", il);
+
+            if (il == n_layer - 1 && inp_out_ids) {
+                cur   = ggml_get_rows(ctx0,   cur, inp_out_ids);
+                inpSA = ggml_get_rows(ctx0, inpSA, inp_out_ids);
+            }
+
+            // Residual connection
+            cur = ggml_add(ctx0, cur, inpSA);
+            cb(cur, "attn_residual", il);
+
+            // FFN layer (MoE or dense)
+            cur = build_layer_ffn(cur, model, il);
+
+            // Input for next layer
+            inpL = cur;
+        }
+
+        cur = inpL;
+
+        // Final norm
+        cur = build_norm(cur,
+                model.output_norm, NULL,
+                LLM_NORM_RMS, -1);
+
+        cb(cur, "result_norm", -1);
+        res->t_embd = cur;
+
+        // LM head
+        cur = build_lora_mm(model.output, cur);
+
+        cb(cur, "result_output", -1);
+        res->t_logits = cur;
+
+        ggml_build_forward_expand(gf, cur);
+    }
+
+private:
+    ggml_tensor * build_qwen3next_attention_layer(
+              ggml_tensor             * cur,
+              ggml_tensor             * inp_pos,
+              llm_graph_input_attn_kv * inp_attn,
+        const llama_model             & model,
+        const int64_t                 n_embd_head,
+        const int                     il) {
+
+        // QKV projection with gating
+        ggml_tensor * qkv_g = build_lora_mm(model.layers[il].wq, cur);
+        cb(qkv_g, "qkv_g", il);
+        
+        // Split into Q and gate
+        const int64_t n_embd_q = hparams.n_head(il) * n_embd_head;
+        ggml_tensor * Qcur = ggml_view_3d(ctx0, qkv_g, n_embd_head, hparams.n_head(il), n_tokens, 
+                                         n_embd_head * sizeof(float), qkv_g->nb[1], 0);
+        ggml_tensor * gate = ggml_view_3d(ctx0, qkv_g, n_embd_head, hparams.n_head(il), n_tokens,
+                                         n_embd_head * sizeof(float), qkv_g->nb[1], n_embd_q * ggml_element_size(qkv_g));
+        
+        // K and V projections
+        ggml_tensor * Kcur = build_lora_mm(model.layers[il].wk, cur);
+        ggml_tensor * Vcur = build_lora_mm(model.layers[il].wv, cur);
+        cb(Kcur, "Kcur", il);
+        cb(Vcur, "Vcur", il);
+
+        Qcur = ggml_reshape_3d(ctx0, Qcur, n_embd_head, hparams.n_head(il), n_tokens);
+        Kcur = ggml_reshape_3d(ctx0, Kcur, n_embd_head, hparams.n_head_kv(il), n_tokens);
+        Vcur = ggml_reshape_3d(ctx0, Vcur, n_embd_head, hparams.n_head_kv(il), n_tokens);
+
+        // Apply Q/K normalization
+        Qcur = build_norm(Qcur, model.layers[il].attn_q_norm, NULL, LLM_NORM_RMS, il);
+        Kcur = build_norm(Kcur, model.layers[il].attn_k_norm, NULL, LLM_NORM_RMS, il);
+
+        // Apply RoPE
+        Qcur = ggml_rope_ext(
+                ctx0, Qcur, inp_pos, nullptr,
+                n_rot, rope_type, n_ctx_orig, freq_base, freq_scale,
+                ext_factor, attn_factor, beta_fast, beta_slow);
+
+        Kcur = ggml_rope_ext(
+                ctx0, Kcur, inp_pos, nullptr,
+                n_rot, rope_type, n_ctx_orig, freq_base, freq_scale,
+                ext_factor, attn_factor, beta_fast, beta_slow);
+
+        cb(Qcur, "Qcur", il);
+        cb(Kcur, "Kcur", il);
+        cb(Vcur, "Vcur", il);
+
+        // Attention computation
+        const float kq_scale = hparams.f_attention_scale == 0.0f ? 1.0f/sqrtf(float(n_embd_head)) : hparams.f_attention_scale;
+        cur = build_attn(inp_attn,
+                model.layers[il].wo, nullptr,
+                Qcur, Kcur, Vcur, nullptr, nullptr, nullptr, kq_scale, il);
+        
+        // Apply gating
+        gate = ggml_reshape_2d(ctx0, gate, n_embd_q, n_tokens);
+        cur = ggml_mul(ctx0, cur, ggml_sigmoid(ctx0, gate));
+        cb(cur, "attn_gated", il);
+        
+        return cur;
+    }
+
+    ggml_tensor * build_qwen3next_linear_attn_layer(llm_graph_input_rs * inp,
+                                                    ggml_tensor *        cur,
+                                                    const llama_model &  model,
+                                                    const llama_ubatch & ubatch,
+                                                    int                  il) {
+        // Gated Delta Net implementation using the new ggml_delta_net function
+        const auto * mctx_cur = inp->mctx;
+        const auto   kv_head  = mctx_cur->get_head();
+
+        const int64_t d_inner  = hparams.ssm_d_inner;
+        const int64_t d_state  = hparams.ssm_d_state;
+        const int64_t n_heads  = hparams.ssm_dt_rank;
+        const int64_t head_dim = d_inner / n_heads;
+        const int64_t n_seqs   = ubatch.n_seqs;
+
+        const int64_t n_seq_tokens = ubatch.n_seq_tokens;
+
+        GGML_ASSERT(n_seqs != 0);
+        GGML_ASSERT(ubatch.equal_seqs());
+        GGML_ASSERT(ubatch.n_tokens == n_seq_tokens * n_seqs);
+
+        // Input projection for QKV and beta/alpha
+        ggml_tensor * qkvz_ba = build_lora_mm(model.layers[il].ssm_in, cur);
+        cb(qkvz_ba, "linear_attn_in_proj", il);
+
+        // Split into QKV and beta/alpha components
+        const int64_t qkv_size = d_inner * 2 + d_state * 2;
+
+        ggml_tensor * qkv =
+            ggml_view_3d(ctx0, qkvz_ba, qkv_size, n_tokens, 1, qkv_size * sizeof(float), qkvz_ba->nb[1], 0);
+        ggml_tensor * ba = ggml_view_2d(ctx0, qkvz_ba, n_embd, n_tokens, 
+                               qkvz_ba->nb[1], qkv_size * sizeof(float));
+
+        // Reshape QKV for processing
+        qkv = ggml_reshape_3d(ctx0, qkv, head_dim, n_heads * 2 + d_state * 2 / head_dim, n_tokens);
+
+        // Split into individual components
+        ggml_tensor * query =
+            ggml_view_3d(ctx0, qkv, head_dim, n_heads, n_tokens, head_dim * sizeof(float), qkv->nb[1], 0);
+        ggml_tensor * key   = ggml_view_3d(ctx0, qkv, head_dim, n_heads, n_tokens, head_dim * sizeof(float), qkv->nb[1],
+                                           n_heads * head_dim * sizeof(float));
+        ggml_tensor * value = ggml_view_3d(ctx0, qkv, head_dim, n_heads, n_tokens, head_dim * sizeof(float), qkv->nb[1],
+                                           n_heads * head_dim * 2 * sizeof(float));
+
+        // Process beta and alpha parameters (corrected dimensions)
+        ggml_tensor * beta_alpha = build_lora_mm(model.layers[il].ssm_beta_alpha, ba);
+        ggml_tensor * beta =
+            ggml_view_3d(ctx0, beta_alpha, n_heads, n_tokens, n_seqs, n_heads * sizeof(float), beta_alpha->nb[1], 0);
+        ggml_tensor * alpha = ggml_view_3d(ctx0, beta_alpha, n_heads, n_tokens, n_seqs, n_heads * sizeof(float),
+                                           beta_alpha->nb[1], n_heads * sizeof(float));
+
+        // Apply sigmoid to beta (exactly like reference: beta = b.sigmoid())
+        beta = ggml_sigmoid(ctx0, beta);
+
+        ggml_tensor * alpha_biased = ggml_add(ctx0, alpha, model.layers[il].ssm_dt);        // a + dt_bias
+        ggml_tensor * alpha_exp = ggml_exp(ctx0, alpha_biased);             // exp(a + dt_bias)
+        ggml_tensor * one_tensor = ggml_new_tensor_1d(ctx0, GGML_TYPE_F32, 1);  // Create scalar tensor
+        one_tensor = ggml_exp(ctx0, one_tensor); // e^0 = 1
+        ggml_tensor * one_plus_exp = ggml_add1(ctx0, alpha_exp, one_tensor);     // 1 + exp(a + dt_bias)
+        ggml_tensor * alpha_softplus = ggml_log(ctx0, one_plus_exp);       // log(1 + exp(...))
+        ggml_tensor * A_log_exp = ggml_exp(ctx0, model.layers[il].ssm_a);                    // A_log.exp()
+        ggml_tensor * gate_scaled = ggml_mul(ctx0, alpha_softplus, A_log_exp); // A_log.exp() * softplus
+        ggml_tensor * gate = ggml_neg(ctx0, gate_scaled);                   // - (A_log.exp() * softplus)
+
+        // Get convolution weights and bias
+        ggml_tensor * conv_weight = model.layers[il].ssm_conv1d;
+        ggml_tensor * conv_bias   = nullptr;  // Add if your model has conv bias
+
+        // Get recurrent states (conv_states not needed as it's handled internally by ggml_delta_net)
+        ggml_tensor * ssm_states_all = mctx_cur->get_s_l(il);
+
+        // Reshape tensors to match ggml_delta_net expectations
+        // [S, H, n_tokens, n_seqs] format
+        query = ggml_reshape_4d(ctx0, query, head_dim, n_heads, n_tokens, n_seqs);
+        key   = ggml_reshape_4d(ctx0, key, head_dim, n_heads, n_tokens, n_seqs);
+        value = ggml_reshape_4d(ctx0, value, head_dim, n_heads, n_tokens, n_seqs);
+
+        // Beta tensor
+        beta = ggml_reshape_3d(ctx0, beta, n_heads, n_tokens, n_seqs);
+
+        // Get current state slice
+        ggml_tensor * state = ggml_view_4d(ctx0, ssm_states_all, head_dim, head_dim, n_heads, n_seqs,
+                                           ssm_states_all->nb[0], ssm_states_all->nb[1], ssm_states_all->nb[2],
+                                           kv_head * head_dim * head_dim * n_heads * ggml_element_size(ssm_states_all));
+        state = ggml_cont(ctx0, state);
+        gate = ggml_repeat(ctx0, gate, ggml_new_tensor_4d(ctx0, GGML_TYPE_F32, 1, n_heads, n_tokens, n_seqs));
+
+        // Call the new ggml_delta_net function
+        ggml_tensor * output = ggml_delta_net(ctx0,
+                                              key,          // k tensor
+                                              value,        // v tensor
+                                              query,        // q tensor
+                                              gate,         // g tensor
+                                              conv_weight,  // conv_weight tensor
+                                              conv_bias,    // conv_bias tensor (can be nullptr)
+                                              beta,         // beta tensor
+                                              state,        // state tensor
+                                              64,           // chunk_size (adjust as needed)
+                                              true,         // use_qk_l2norm
+                                              1.0f          // scale (adjust based on your model)
+        );
+        cb(output, "delta_net_output", il);
+
+        // Extract the output part (first half of the concatenated result)
+        ggml_tensor * attn_out = ggml_view_4d(ctx0, output, head_dim, n_heads, n_tokens, n_seqs, output->nb[0],
+                                              output->nb[1], output->nb[2], 0);
+
+        // Extract the new state (second half of the concatenated result)
+        ggml_tensor * new_state =
+            ggml_view_4d(ctx0, output, head_dim, head_dim, n_heads, n_seqs, output->nb[0], output->nb[1], output->nb[2],
+                         n_tokens * head_dim * n_heads * sizeof(float));
+
+        // Update the recurrent states
+        ggml_build_forward_expand(
+            gf, ggml_cpy(ctx0, new_state,
+                         ggml_view_1d(
+                             ctx0, ssm_states_all, head_dim * head_dim * n_heads * n_seqs,
+                             kv_head * n_seqs * head_dim * head_dim * n_heads * ggml_element_size(ssm_states_all))));
+
+        // Apply normalization and gating
+        attn_out = build_norm(attn_out, model.layers[il].ssm_norm, NULL, LLM_NORM_RMS, il);
+
+        // Output projection
+        cur = build_lora_mm(model.layers[il].wo, attn_out);
+        cb(cur, "linear_attn_out", il);
+
+        // Reshape back to original dimensions
+        cur = ggml_reshape_2d(ctx0, cur, n_embd, n_tokens);
+
+        return cur;
+    }
+    ggml_tensor * build_layer_ffn(ggml_tensor * cur, const llama_model & model, const int il) {
+        // Check if this is an MoE layer
+        if (model.layers[il].ffn_gate_inp != nullptr) {
+            // MoE branch
+            ggml_tensor * moe_out = build_moe_ffn(cur,
+                    model.layers[il].ffn_gate_inp,
+                    model.layers[il].ffn_up_exps,
+                    model.layers[il].ffn_gate_exps,
+                    model.layers[il].ffn_down_exps,
+                    nullptr,
+                    n_expert, n_expert_used,
+                    LLM_FFN_SILU, true,
+                    false, 0.0,
+                    LLAMA_EXPERT_GATING_FUNC_TYPE_SOFTMAX,
+                    il);
+            cb(moe_out, "ffn_moe_out", il);
+
+            // Add shared experts if present
+            if (model.layers[il].ffn_up_shexp != nullptr) {
+                ggml_tensor * ffn_shexp = build_ffn(cur,
+                    model.layers[il].ffn_up_shexp,   NULL, NULL,
+                    model.layers[il].ffn_gate_shexp, NULL, NULL,
+                    model.layers[il].ffn_down_shexp, NULL, NULL,
+                    NULL,
+                    LLM_FFN_SILU, LLM_FFN_PAR, il);
+                cb(ffn_shexp, "ffn_shexp", il);
+
+                cur = ggml_add(ctx0, moe_out, ffn_shexp);
+                cb(cur, "ffn_out", il);
+            } else {
+                cur = moe_out;
+            }
+        } else {
+            // Dense FFN branch
+            cur = build_ffn(cur,
+                    model.layers[il].ffn_up,   NULL, NULL,
+                    model.layers[il].ffn_gate, NULL, NULL,
+                    model.layers[il].ffn_down, NULL, NULL,
+                    NULL,
+                    LLM_FFN_SILU, LLM_FFN_PAR, il);
+            cb(cur, "ffn_out", il);
+        }
+
+        // Residual connection
+        cur = ggml_add(ctx0, cur, cur); // This should be the residual from before FFN
+        cb(cur, "ffn_residual", il);
+
+        return cur;
+    }
+};
+
+
 llama_memory_i * llama_model::create_memory(const llama_memory_params & params, llama_cparams & cparams) const {
     llama_memory_i * res;
 
@@ -19349,6 +19767,10 @@ ggml_cgraph * llama_model::build_graph(const llm_graph_params & params) const {
                     llm = std::make_unique<llm_build_smallthinker<false>>(*this, params);
                 }
             } break;
+        case LLM_ARCH_QWEN3NEXT:
+            {
+                llm = std::make_unique<llm_build_qwen3next>(*this, params);
+            } break;
         default:
             GGML_ABORT("fatal error");
     }
@@ -19524,6 +19946,7 @@ llama_rope_type llama_model_rope_type(const llama_model * model) {
         case LLM_ARCH_QWEN2MOE:
         case LLM_ARCH_QWEN3:
         case LLM_ARCH_QWEN3MOE:
+        case LLM_ARCH_QWEN3NEXT:
         case LLM_ARCH_LLADA_MOE:
         case LLM_ARCH_OLMO2:
         case LLM_ARCH_OLMOE:

src/llama-model.h

@@ -104,6 +104,7 @@ enum llm_type {
     LLM_TYPE_A13B,
     LLM_TYPE_21B_A3B, // Ernie MoE small
     LLM_TYPE_30B_A3B,
+    LLM_TYPE_80B_A3B, // Qwen3 Next
     LLM_TYPE_106B_A12B, // GLM-4.5-Air
     LLM_TYPE_235B_A22B,
     LLM_TYPE_300B_A47B, // Ernie MoE big
@@ -292,6 +293,9 @@ struct llama_layer {
     struct ggml_tensor * ssm_conv1d_b = nullptr;
     struct ggml_tensor * ssm_dt_b     = nullptr;
 
+    // qwen3next
+    struct ggml_tensor * ssm_beta_alpha      = nullptr;
+
     // rwkv
     struct ggml_tensor * time_mix_w1         = nullptr;
     struct ggml_tensor * time_mix_w2         = nullptr;