# OlmoEarth v1.3 Base

OlmoEarth v1.3 Base is a model from Ai2 with open weights, released on 22 Oct 2026.

- Developer: Ai2
- Id: allenai/OlmoEarth-v1_3-Base
- Released: 2026-10-22T00:00:00.000Z
- Sighting: 2026-11-01T18:24:27.355Z
  - [evidence link](https://huggingface.co/allenai/OlmoEarth-v1_3-Base)
- Status: Released
- Weights version: 2026-10-13
  - [evidence link](https://huggingface.co/api/models/allenai/OlmoEarth-v1_3-Base/paths-info/9e9e918a369701c105dde7ef56789b0ff1d47f50)
- Canonical: https://alexgetman.com/models/ai2/olmoearth-v1-3-base/

## Questions

### Are the weights of OlmoEarth v1.3 Base publicly available?

Yes. Ai2 publishes the weights.

### When was OlmoEarth v1.3 Base released?

On 22 Oct 2026.

## Evidence links

- [review](https://allenai.org/blog/olmoearth-v1-3)
- [huggingface:allenai](https://huggingface.co/allenai/OlmoEarth-v1_3-Base)
- [hf-artifacts:allenai/OlmoEarth-v1_3-Base](https://huggingface.co/api/models/allenai/OlmoEarth-v1_3-Base/paths-info/9e9e918a369701c105dde7ef56789b0ff1d47f50)
- [Hugging Face · blog](https://huggingface.co/blog/allenai/olmoearth-v1-3)

## Signals

- [OlmoEarth v1.3 Base: Open weights](https://alexgetman.com/signals/2026/10/22/olmoearth-v1-3-2/)