# OlmoEarth V1.1 Nano

OlmoEarth V1.1 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_1-Nano
- Sighting: 2026-11-01T18:24:27.355Z
  - [evidence link](https://huggingface.co/allenai/OlmoEarth-v1_1-Nano)
- Status: Released
- Weights version: 2026-05-15
  - [evidence link](https://huggingface.co/api/models/allenai/OlmoEarth-v1_1-Nano/paths-info/6c16c7da0d05a1c4f32c2a7f9233e07c9ebfa61a)
- Canonical: https://alexgetman.com/models/ai2/olmoearth-v1-1-nano/

## Questions

### Are the weights of OlmoEarth V1.1 Nano publicly available?

Yes. Ai2 publishes the weights.

### When was OlmoEarth V1.1 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_1-Nano)
- [hf-author-artifacts:allenai](https://huggingface.co/api/models/allenai/OlmoEarth-v1_1-Nano/paths-info/6c16c7da0d05a1c4f32c2a7f9233e07c9ebfa61a)

## Signals