Hy3 preview Released and Open-Sourced Following Hunyuan Reconstruction: Emphasizing Comprehensive Practicality with Significantly Enhanced Agent Capabilities

Wallstreetcn
2026.04.23 08:43

The Hunyuan Hy3 preview language model by Tencent has been released and open-sourced. This is a mixture-of-experts model that integrates fast and slow thinking, featuring a total of 295 billion parameters and 21 billion activated parameters, with support for a maximum context length of 256K. As the first model trained following the Hunyuan reconstruction, it is also the most intelligent model to date for Hunyuan, achieving substantial improvements in complex reasoning, instruction following, in-context learning, code handling, agent capabilities, and inference performance.