Testing Tencent Hunyuan Hy4 Preview: Strong Document Work and Fun Playable Game Demos

Tencent Hy ·

Key Info

Hands-on tests of Tencent Hunyuan Hy4 preview (770B total / 49B active parameters, native 1M-token context, Apache 2.0 weights) via WorkBuddyAI found strong document processing and surprisingly fun playable game demos, including a Mario-style platformer.

Highlights

  • Document work stands out: Hy4 preview impressed in real, practical tasks, not just benchmark numbers.
  • 770B total parameters with only 49B active per token, plus a native 1M-token context window and Apache 2.0 open weights.
  • The game demos in the walkthrough were genuinely playable: a Mario-style platformer with variable jump height, mushrooms popping out of blocks, and working enemy stomping.
  • The preview is currently free on WorkBuddyAI, making it easy for developers and users to try it directly.
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