Qwen3-4B-Base | NVIDIA NeMo AutoModel

Qwen3-4B-Base has a checked-in NeMo AutoModel recipe for text generation. The Hugging Face configuration declares the Qwen3ForCausalLM architecture.

Fine-Tune Qwen3-4B-Base

Follow the installation instructions, then review the checked-in recipe and its declared topology below before choosing a local or cluster launcher.

Choose a Workflow

Goal	Start Here
Run the primary recipe for this model	Use the recipe configuration.
Try another checked-in recipe for this model	Use the alternate recipe.

Configuration

Setting	Configuration
Hardware	-
Strategy	FSDP2; tp_size=1, pp_size=1, cp_size=1
Nodes	-
Features	Checkpointing (enabled=true), Activation checkpointing (activation_checkpointing=true)
Advanced	sequence length 2048

More Recipes for This Model

qwen3_4b_cp1_te_fusedadam.yaml
qwen3_4b_cp2_flashoptim.yaml

Model Reference

Model Architecture

Property	Value
Task	Text generation
Architecture	`Qwen3ForCausalLM`

Available Models

Qwen/Qwen3-4B-Base

LLM fine-tuning guide