Tencent Hunyuan Hy4 Open Sourced: 770B Params, Beats Kimi K3 in Internal Tests
nikola_mr64990 · x · 2026-08-30
A developer built a fully playable browser game in WorkBuddy using Tencent Hunyuan's Hy4 preview, demonstrating the model's capabilities in planning, game logic, and interactions. Tencent has open-sourced Hy4 preview, featuring 770B total parameters (49B active) and a 1M token context window. Developed with a "model + product" co-design approach, it scored 2.99/4 in an internal blind test involving 163 experts across 203 engineering tasks, outperforming Kimi K3 (2.94) and GLM 5.3 (2.92). API pricing is set at $0.834/M input and $2.501/M output.
Related event: Tencent Open-Sources Hunyuan Hy4 Preview: 770B MoE with 1M Context(12 posts)→
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