# Molmo2 4B

Molmo2 4B is a model from Ai2 with open weights, first recorded on 11 Nov 2026; its release date is not established.

- Developer: Ai2
- Id: allenai/Molmo2-4B
- Sighting: 2026-11-11T03:46:18.612Z
  - [evidence link](https://huggingface.co/allenai/Molmo2-4B)
- Status: Released
- Weights version: 2025-12-14
  - [evidence link](https://huggingface.co/api/models/allenai/Molmo2-4B/paths-info/042abfa7a38879a376cec03d949eff0aefaa0600)
- Canonical: https://alexgetman.com/models/ai2/molmo2-4b/

## Questions

### Are the weights of Molmo2 4B publicly available?

Yes. Ai2 publishes the weights.

### When was Molmo2 4B released?

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

## Evidence links

- [huggingface:allenai](https://huggingface.co/allenai/Molmo2-4B)
- [hf-author-artifacts:allenai](https://huggingface.co/api/models/allenai/Molmo2-4B/paths-info/042abfa7a38879a376cec03d949eff0aefaa0600)

## Signals