# Fourcastnet1

Fourcastnet1 is a model from NVIDIA with open weights, first recorded on 11 Nov 2026; its release date is not established.

- Developer: NVIDIA
- Id: nvidia/fourcastnet1
- Sighting: 2026-11-11T14:23:36.305Z
  - [evidence link](https://huggingface.co/nvidia/fourcastnet1)
- Status: Released
- Weights version: 2026-03-02
  - [evidence link](https://huggingface.co/api/models/nvidia/fourcastnet1/paths-info/f63c56bd37c3fad04836422fd5a3a10329f95141)
- Canonical: https://alexgetman.com/models/nvidia/fourcastnet1/

## Questions

### Are the weights of Fourcastnet1 publicly available?

Yes. NVIDIA publishes the weights.

### When was Fourcastnet1 released?

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

## Evidence links

- [hf-author-artifacts:nvidia](https://huggingface.co/api/models/nvidia/fourcastnet1/paths-info/f63c56bd37c3fad04836422fd5a3a10329f95141)
- [huggingface:nvidia](https://huggingface.co/nvidia/fourcastnet1)

## Signals