# OlmoEarth V1.2 Nano

OlmoEarth V1.2 Nano is a model from Ai2 with open weights, first recorded on 1 Nov 2026; its release date is not established.

- Developer: Ai2
- Id: allenai/OlmoEarth-v1_2-Nano
- Sighting: 2026-11-01T18:24:27.355Z
  - [evidence link](https://huggingface.co/allenai/OlmoEarth-v1_2-Nano)
- Status: Released
- Weights version: 2026-06-25
  - [evidence link](https://huggingface.co/api/models/allenai/OlmoEarth-v1_2-Nano/paths-info/e1f693ae2a7d5b57871a978e9d09e22d05206747)
- Canonical: https://alexgetman.com/models/ai2/olmoearth-v1-2-nano/

## Questions

### Are the weights of OlmoEarth V1.2 Nano publicly available?

Yes. Ai2 publishes the weights.

### When was OlmoEarth V1.2 Nano released?

Its release date is not established. Signal Forge first recorded it on 1 Nov 2026.

## Evidence links

- [huggingface:allenai](https://huggingface.co/allenai/OlmoEarth-v1_2-Nano)
- [hf-author-artifacts:allenai](https://huggingface.co/api/models/allenai/OlmoEarth-v1_2-Nano/paths-info/e1f693ae2a7d5b57871a978e9d09e22d05206747)

## Signals