# DataDecide Fineweb Pro 4M

DataDecide Fineweb Pro 4M 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-fineweb-pro-4M
- Sighting: 2026-11-11T15:56:11.601Z
  - [evidence link](https://huggingface.co/allenai/DataDecide-fineweb-pro-4M)
- Status: Released
- Weights version: 2025-04-03
  - [evidence link](https://huggingface.co/api/models/allenai/DataDecide-fineweb-pro-4M/paths-info/78411f1d7a3911fef9d328a236020ed5c2344df1)
- Canonical: https://alexgetman.com/models/ai2/datadecide-fineweb-pro-4m/

## Questions

### Are the weights of DataDecide Fineweb Pro 4M publicly available?

Yes. Ai2 publishes the weights.

### When was DataDecide Fineweb Pro 4M 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-fineweb-pro-4M)
- [hf-author-artifacts:allenai](https://huggingface.co/api/models/allenai/DataDecide-fineweb-pro-4M/paths-info/78411f1d7a3911fef9d328a236020ed5c2344df1)

## Signals