# Molmo2 4B Tb

Molmo2 4B Tb is a model from Ai2 with open weights, first recorded on 5 Nov 2026; its release date is not established.

- Developer: Ai2
- Id: allenai/Molmo2-4B-tb
- Sighting: 2026-11-05T18:45:50.572Z
  - [evidence link](https://huggingface.co/allenai/Molmo2-4B-tb)
- Status: Released
- Weights version: 2026-11-05
  - [evidence link](https://huggingface.co/api/models/allenai/Molmo2-4B-tb/paths-info/e5c3ef6018c5f6b011a2b3d0b774fddb5aa1f842)
- Canonical: https://alexgetman.com/models/ai2/molmo2-4b-tb/

## Questions

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

Yes. Ai2 publishes the weights.

### When was Molmo2 4B Tb released?

Its release date is not established. Signal Forge first recorded it on 5 Nov 2026.

## Evidence links

- [huggingface:allenai](https://huggingface.co/allenai/Molmo2-4B-tb)
- [hf-author-artifacts:allenai](https://huggingface.co/api/models/allenai/Molmo2-4B-tb/paths-info/e5c3ef6018c5f6b011a2b3d0b774fddb5aa1f842)

## Signals