MODEL SIGNAL · WEIBOAI
VibeThinker-3B
VibeThinker-3B is a 3-billion-parameter open-weights reasoning model developed by WeiboAI.
CATEGORYReasoning
RELEASEDJune 17, 2026
Key Features
- 3-billion parameter scale
- Optimized for reasoning capabilities
- Open-weights available via Hugging Face
Read the Model Signal report →
The designed Model Signal report for VibeThinker-3B is still in review. It will publish here after the fact and quality gates clear.