# Specter2 Regression

Specter2 Regression is a model from Ai2 with open weights, first recorded on 11 Nov 2026; its release date is not established.

- Developer: Ai2
- Id: allenai/specter2_regression
- Sighting: 2026-11-11T20:41:37.034Z
  - [evidence link](https://huggingface.co/allenai/specter2_regression)
- Status: Released
- Weights version: 2023-02-17
  - [evidence link](https://huggingface.co/api/models/allenai/specter2_regression/paths-info/a9d105def7a081c8f7c5a88ab4145646901c6003)
- Canonical: https://alexgetman.com/models/ai2/specter2-regression/

## Questions

### Are the weights of Specter2 Regression publicly available?

Yes. Ai2 publishes the weights.

### When was Specter2 Regression released?

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

## Evidence links

- [huggingface:allenai](https://huggingface.co/allenai/specter2_regression)
- [hf-author-artifacts:allenai](https://huggingface.co/api/models/allenai/specter2_regression/paths-info/a9d105def7a081c8f7c5a88ab4145646901c6003)

## Signals