# OLMo 1B

OLMo 1B is a model from Ai2 with open weights, first recorded on 11 Nov 2026; its release date is not established.

- Developer: Ai2
- Id: allenai/OLMo-1B
- Sighting: 2026-11-11T21:10:26.538Z
  - [evidence link](https://huggingface.co/allenai/OLMo-1B)
- Status: Released
- Weights version: 2024-06-25
  - [evidence link](https://huggingface.co/api/models/allenai/OLMo-1B/paths-info/344d48f1ef038097ed9471da33ddf2721e59f474)
- Canonical: https://alexgetman.com/models/ai2/olmo-1b/

## Questions

### Are the weights of OLMo 1B publicly available?

Yes. Ai2 publishes the weights.

### When was OLMo 1B released?

Its release date is not established. Signal Forge first recorded it on 11 Nov 2026.

## Evidence links

- [huggingface:allenai](https://huggingface.co/allenai/OLMo-1B)
- [hf-author-artifacts:allenai](https://huggingface.co/api/models/allenai/OLMo-1B/paths-info/344d48f1ef038097ed9471da33ddf2721e59f474)

## Signals