# OpenReasoning Nemotron 1.5B

OpenReasoning Nemotron 1.5B is a model from NVIDIA with open weights, first recorded on 11 Nov 2026; its release date is not established.

- Developer: NVIDIA
- Id: nvidia/OpenReasoning-Nemotron-1.5B
- Sighting: 2026-11-11T20:18:26.699Z
  - [evidence link](https://huggingface.co/nvidia/OpenReasoning-Nemotron-1.5B)
- Status: Released
- Weights version: 2025-07-15
  - [evidence link](https://huggingface.co/api/models/nvidia/OpenReasoning-Nemotron-1.5B/paths-info/f7e9c457f57387ce4eefa856795a5afa0622ec56)
- Canonical: https://alexgetman.com/models/nvidia/openreasoning-nemotron-1-5b/

## Questions

### Are the weights of OpenReasoning Nemotron 1.5B publicly available?

Yes. NVIDIA publishes the weights.

### When was OpenReasoning Nemotron 1.5B 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/OpenReasoning-Nemotron-1.5B/paths-info/f7e9c457f57387ce4eefa856795a5afa0622ec56)
- [huggingface:nvidia](https://huggingface.co/nvidia/OpenReasoning-Nemotron-1.5B)

## Signals