# Cs Roberta Base

Cs Roberta Base is a model from Ai2 with open weights, first recorded on 11 Nov 2026; its release date is not established.

- Developer: Ai2
- Id: allenai/cs_roberta_base
- Sighting: 2026-11-11T23:56:45.080Z
  - [evidence link](https://huggingface.co/allenai/cs_roberta_base)
- Status: Released
- Weights version: 2021-05-20
  - [evidence link](https://huggingface.co/api/models/allenai/cs_roberta_base/paths-info/11a2149cfda93e7e42aa076c1c9b6d244e237c1b)
- Canonical: https://alexgetman.com/models/ai2/cs-roberta-base/

## Questions

### Are the weights of Cs Roberta Base publicly available?

Yes. Ai2 publishes the weights.

### When was Cs Roberta Base released?

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

## Evidence links

- [huggingface:allenai](https://huggingface.co/allenai/cs_roberta_base)
- [hf-author-artifacts:allenai](https://huggingface.co/api/models/allenai/cs_roberta_base/paths-info/11a2149cfda93e7e42aa076c1c9b6d244e237c1b)

## Signals