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# nemo_automodel.components.models.qwen3_next.model

## Module Contents

### Classes

| Name                                                                                              | Description |
| ------------------------------------------------------------------------------------------------- | ----------- |
| [`Block`](#nemo_automodel-components-models-qwen3_next-model-Block)                               | -           |
| [`Qwen3NextForCausalLM`](#nemo_automodel-components-models-qwen3_next-model-Qwen3NextForCausalLM) | -           |
| [`Qwen3NextModel`](#nemo_automodel-components-models-qwen3_next-model-Qwen3NextModel)             | -           |

### Data

[`ModelClass`](#nemo_automodel-components-models-qwen3_next-model-ModelClass)

### API

```python
class nemo_automodel.components.models.qwen3_next.model.Block(
    layer_idx: int,
    config: transformers.models.qwen3_next.configuration_qwen3_next.Qwen3NextConfig,
    moe_config: nemo_automodel.components.moe.config.MoEConfig,
    backend: nemo_automodel.components.models.common.BackendConfig
)
```

**Bases:** `Module`

```python
nemo_automodel.components.models.qwen3_next.model.Block._mlp(
    x: torch.Tensor,
    padding_mask: torch.Tensor | None
) -> torch.Tensor
```

```python
nemo_automodel.components.models.qwen3_next.model.Block.forward(
    x: torch.Tensor,
    freqs_cis: torch.Tensor,
    attention_mask: torch.Tensor | None = None,
    padding_mask: torch.Tensor | None = None,
    position_ids: torch.Tensor | None = None,
    attn_kwargs: typing.Any = {}
) -> torch.Tensor
```

```python
nemo_automodel.components.models.qwen3_next.model.Block.init_weights(
    buffer_device: torch.device
)
```

```python
class nemo_automodel.components.models.qwen3_next.model.Qwen3NextForCausalLM(
    config: transformers.models.qwen3_next.configuration_qwen3_next.Qwen3NextConfig,
    moe_config: nemo_automodel.components.moe.config.MoEConfig | None = None,
    backend: nemo_automodel.components.models.common.BackendConfig | None = None,
    kwargs = {}
)
```

**Bases:** [HFCheckpointingMixin](/nemo-automodel/nemo_automodel/components/models/common/hf_checkpointing_mixin#nemo_automodel-components-models-common-hf_checkpointing_mixin-HFCheckpointingMixin), `Module`, [MoEFSDPSyncMixin](/nemo-automodel/nemo_automodel/components/moe/fsdp_mixin#nemo_automodel-components-moe-fsdp_mixin-MoEFSDPSyncMixin)

```python
nemo_automodel.components.models.qwen3_next.model.Qwen3NextForCausalLM.forward(
    input_ids: torch.Tensor,
    position_ids: torch.Tensor | None = None,
    attention_mask: torch.Tensor | None = None,
    padding_mask: torch.Tensor | None = None,
    logits_to_keep: typing.Union[int, torch.Tensor] = 0,
    output_hidden_states: typing.Optional[bool] = None,
    attn_kwargs: typing.Any = {}
) -> transformers.modeling_outputs.CausalLMOutputWithPast
```

```python
nemo_automodel.components.models.qwen3_next.model.Qwen3NextForCausalLM.from_config(
    config: transformers.models.qwen3_next.configuration_qwen3_next.Qwen3NextConfig,
    moe_config: nemo_automodel.components.moe.config.MoEConfig | None = None,
    backend: nemo_automodel.components.models.common.BackendConfig | None = None,
    kwargs = {}
)
```

classmethod

```python
nemo_automodel.components.models.qwen3_next.model.Qwen3NextForCausalLM.from_pretrained(
    pretrained_model_name_or_path: str,
    model_args = (),
    kwargs = {}
)
```

classmethod

```python
nemo_automodel.components.models.qwen3_next.model.Qwen3NextForCausalLM.get_input_embeddings()
```

```python
nemo_automodel.components.models.qwen3_next.model.Qwen3NextForCausalLM.get_output_embeddings()
```

```python
nemo_automodel.components.models.qwen3_next.model.Qwen3NextForCausalLM.initialize_weights(
    buffer_device: torch.device | None = None,
    dtype: torch.dtype = torch.bfloat16
) -> None
```

```python
nemo_automodel.components.models.qwen3_next.model.Qwen3NextForCausalLM.set_input_embeddings(
    value
)
```

```python
nemo_automodel.components.models.qwen3_next.model.Qwen3NextForCausalLM.set_output_embeddings(
    new_embeddings
)
```

```python
class nemo_automodel.components.models.qwen3_next.model.Qwen3NextModel(
    config: transformers.models.qwen3_next.configuration_qwen3_next.Qwen3NextConfig,
    backend: nemo_automodel.components.models.common.BackendConfig,
    moe_config: nemo_automodel.components.moe.config.MoEConfig | None = None,
    moe_overrides: dict | None = None
)
```

**Bases:** `Module`

```python
nemo_automodel.components.models.qwen3_next.model.Qwen3NextModel.forward(
    input_ids: torch.Tensor,
    position_ids: torch.Tensor | None = None,
    attention_mask: torch.Tensor | None = None,
    padding_mask: torch.Tensor | None = None,
    attn_kwargs: typing.Any = {}
) -> torch.Tensor
```

```python
nemo_automodel.components.models.qwen3_next.model.Qwen3NextModel.init_weights(
    buffer_device: torch.device | None = None
) -> None
```

```python
nemo_automodel.components.models.qwen3_next.model.ModelClass = Qwen3NextForCausalLM
```