# Qwen3Guard Stream 4B

Qwen3Guard Stream 4B is a model from Alibaba with open weights, first recorded on 7 Oct 2026; its release date is not established.

- Developer: Alibaba
- Id: Qwen/Qwen3Guard-Stream-4B
- Sighting: 2026-10-07T19:40:57.899Z
  - [evidence link](https://huggingface.co/Qwen/Qwen3Guard-Stream-4B)
- Status: Released
- Weights version: 2025-09-23
  - [evidence link](https://huggingface.co/api/models/Qwen/Qwen3Guard-Stream-4B/paths-info/0e281784acd1370a2527aece964bcb267927f799)
- Canonical: https://alexgetman.com/models/alibaba/qwen3guard-stream-4b/

## Questions

### Are the weights of Qwen3Guard Stream 4B publicly available?

Yes. Alibaba publishes the weights.

### When was Qwen3Guard Stream 4B released?

Its release date is not established. Signal Forge first recorded it on 7 Oct 2026.

## Evidence links

- [huggingface:Qwen](https://huggingface.co/Qwen/Qwen3Guard-Stream-4B)
- [hf-author-artifacts:Qwen](https://huggingface.co/api/models/Qwen/Qwen3Guard-Stream-4B/paths-info/0e281784acd1370a2527aece964bcb267927f799)

## Signals