> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/nemo/automodel/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/nemo/automodel/_mcp/server.

# OLMo-1B-hf

> Reference OLMo-1B-hf checkpoint and architecture details for NeMo AutoModel, with model-family information, setup guidance, and upstream resources.

[OLMo](https://allenai.org/olmo) (Open Language Model) is Allen AI's fully open language model - open weights, open training data, and open training code. OLMo-1B and OLMo-7B are trained on Dolma.

Use this page as a checkpoint and architecture reference. Set up NeMo AutoModel with the
[latest container](https://catalog.ngc.nvidia.com/orgs/nvidia/containers/nemo-automodel) or follow the
[installation instructions](/get-started/installation).

## Model Reference

### Model Architecture

| Property                  | Value                                     |
| ------------------------- | ----------------------------------------- |
| Task                      | Text Generation                           |
| Architecture              | `OLMoForCausalLM`                         |
| Parameters                | 1B                                        |
| Hugging Face Organization | [allenai](https://huggingface.co/allenai) |

### Available Models

| Model   | HF ID                                                             |
| ------- | ----------------------------------------------------------------- |
| OLMo 1B | [`allenai/OLMo-1B-hf`](https://huggingface.co/allenai/OLMo-1B-hf) |

## Related Resources

* [LLM Fine-Tuning Guide](/recipes-e2e-examples/sft-peft)