Tencent Hunyuan Hy4 Preview: 770B parameters enters top tier
量子位 · wechat · 2026-08-31
Tencent released its new flagship model Hunyuan Hy4 Preview, featuring a MoE architecture with 770B total parameters (49B active) and 1M context. It ranks 5th globally in CodeArena WebDev and scores 65.7 on SWE-bench Pro. The model demonstrates strength in long-chain development (e.g., 3D digital archives), financial sandtable simulations, Unreal 5 procedural generation, and AI for Science (molecular dynamics, geometry proofs). The article analyzes the technical shift driven by Yao Shunyu's leadership: moving beyond pure scaling to "environment and experience", emphasizing Agent capabilities and Co-Design.
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