Tencent Hy4 GA — A 770B Model with Vision + Computer Use, Weights Still Held Back

The GA version of Hy4 replaces the preview (Aug 28): 770B total / 49B active (MoE), 1M-token context, and for the first time in the Hunyuan family it has **visual understanding** (images, charts, math visuals) and **computer use** (CLI + GUI, with dedicated training on Blender and CAD).

Tencent claims the top ranking among open-source models in a blind evaluation by 213 finance professionals (153 from external institutions, ~70% with more than 5 years of experience) over 579 real financial tasks — a relevant but self-reported claim, and the methodology was not published.

The company acknowledges that Hy4 still tra…