Tencent Hunyuan Hy4 Preview Model Now Available via B.AI API

The B.AI platform announced that the Tencent Hunyuan team has released its latest open-source flagship model, Hy4 Preview, through its API service. As an early version of the Hy4 series, the model utilizes a 770B sparse MoE architecture with 49B active parameters per token and supports a 1M context window. Developers can access the model via the official B.AI API channels.