# C RADIOv4 SO400M

C RADIOv4 SO400M is a model from NVIDIA with open weights, first recorded on 11 Nov 2026; its release date is not established.

- Developer: NVIDIA
- Id: nvidia/C-RADIOv4-SO400M
- Sighting: 2026-11-11T15:08:15.203Z
  - [evidence link](https://huggingface.co/nvidia/C-RADIOv4-SO400M)
- Status: Released
- Weights version: 2026-01-26
  - [evidence link](https://huggingface.co/api/models/nvidia/C-RADIOv4-SO400M/paths-info/c0457f5dc26ca145f954cd4fc5bb6114e5705ad8)
- Canonical: https://alexgetman.com/models/nvidia/c-radiov4-so400m/

## Questions

### Are the weights of C RADIOv4 SO400M publicly available?

Yes. NVIDIA publishes the weights.

### When was C RADIOv4 SO400M 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/C-RADIOv4-SO400M/paths-info/c0457f5dc26ca145f954cd4fc5bb6114e5705ad8)
- [huggingface:nvidia](https://huggingface.co/nvidia/C-RADIOv4-SO400M)

## Signals