Tencent Hunyuan Open-Sources Hy4 Preview: 770B Parameters, 1M Context Window

Tencent Hunyuan has released its next-generation flagship model, Hy4 preview. According to the official WeChat account of Tencent Hunyuan, Hy4 preview features 770B total parameters, 49B active parameters, and a context length of 1M. The model is now open source and available on Tencent Cloud TokenHub and OpenRouter. The official account simultaneously disclosed the aforementioned specifications and announced the open-source release of Hy4 preview. This open-source release covers both the Tencent Cloud TokenHub and OpenRouter platforms.