# SamudrACE CM4 piControl

SamudrACE CM4 piControl is a model from Ai2 with open weights, first recorded on 11 Nov 2026; its release date is not established.

- Developer: Ai2
- Id: allenai/SamudrACE-CM4-piControl
- Sighting: 2026-11-11T07:50:10.518Z
  - [evidence link](https://huggingface.co/allenai/SamudrACE-CM4-piControl)
- Status: Released
- Weights version: 2025-10-13
  - [evidence link](https://huggingface.co/api/models/allenai/SamudrACE-CM4-piControl/paths-info/48567c80676de7db51d270c8c0c5dd61f08c9f39)
- Canonical: https://alexgetman.com/models/ai2/samudrace-cm4-picontrol/

## Questions

### Are the weights of SamudrACE CM4 piControl publicly available?

Yes. Ai2 publishes the weights.

### When was SamudrACE CM4 piControl released?

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

## Evidence links

- [huggingface:allenai](https://huggingface.co/allenai/SamudrACE-CM4-piControl)
- [hf-author-artifacts:allenai](https://huggingface.co/api/models/allenai/SamudrACE-CM4-piControl/paths-info/48567c80676de7db51d270c8c0c5dd61f08c9f39)

## Signals