From the source
Tencent released Tencent Hy4, its latest-generation large language model, which it says now ranks among the world's leading open-source AI models.
- Tencent Hy plans to release model weights and system cards in the coming days, with a focus on cybersecurity and biological safety.
- Hy4 adds visual understanding and computer-use capabilities for the first time, letting it work with command-line and graphical interfaces, and it was trained on professional software such as Blender and CAD.
- On Tencent WorkBuddy, benchmarks show an average performance score of 83.18 and a pass rate of 96.15 percent, with Hy4 first in nine of twelve scenarios in the mainland Chinese market.
- In a blind evaluation with Tencent Financial Technology, 213 financial professionals scored Hy4 highest among open-source models at 3.04, ahead of
DeepSeek-V4.1-Flash-1017 at 2.97, Kimi K3.1 Pro and GLM-5.3 at 2.68.
- Targeted search optimisation cut its hallucination rate from 12.95% in Hy4 Preview to 7.2%, and errors from unsupported assumptions fell from 23.1% to 5.6%.
