Tencent open-sources Hy4 preview with 770B parameters and a 1M-token context

Tencent Hunyuan released and open-sourced Hy4 preview on Aug. The next-generation large language model has 770 billion total parameters, 49 billion activated parameters and a context window exceeding 1 million tokens. It is available through the Chinese and international versions of WorkBuddy and CodeBuddy, as well as Yuanbao and ima, with API access offered through Tencent Cloud TokenHub and OpenRouter.