# DataDecide C4 1B

DataDecide C4 1B is a model from Ai2 with open weights, first recorded on 11 Nov 2026; its release date is not established.

- Developer: Ai2
- Id: allenai/DataDecide-c4-1B
- Sighting: 2026-11-11T15:15:06.774Z
  - [evidence link](https://huggingface.co/allenai/DataDecide-c4-1B)
- Status: Released
- Weights version: 2025-04-03
  - [evidence link](https://huggingface.co/api/models/allenai/DataDecide-c4-1B/paths-info/152d6c93b2390ff5d2a9e90fa52f05d1e789fb73)
- Canonical: https://alexgetman.com/models/ai2/datadecide-c4-1b/

## Questions

### Are the weights of DataDecide C4 1B publicly available?

Yes. Ai2 publishes the weights.

### When was DataDecide C4 1B released?

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

## Evidence links

- [huggingface:allenai](https://huggingface.co/allenai/DataDecide-c4-1B)
- [hf-author-artifacts:allenai](https://huggingface.co/api/models/allenai/DataDecide-c4-1B/paths-info/152d6c93b2390ff5d2a9e90fa52f05d1e789fb73)

## Signals