The model, called Hy4 preview, uses a "mixture-of-experts" design with 770 billion parameters in total, Tencent said, although only about 49 billion are used for any given text request.

The Chinese tech giant is speeding up its model-release cycle and integrating AI directly into office software to compete with Alibaba and ByteDance

Tencent released Hy4 Preview, a 770 billion parameter open-source MoE AI model, marking a major leap from its predecessor Hy3's 295B parameters.