Tencent's Hy4 coming to LMArena after preview hit #2 among open models in Agent Arena
arena · x · 2026-11-04
LMArena teases that Hy4 from Tencent Hunyuan is coming soon to the arena. Its preview ranked #2 among open models (#10 overall) in Agent Arena across 14.5K+ real sessions with a +5.4% net improvement, just behind Kimi K3 (Max) at +6.6% — at roughly 68% lower cost ($0.26 vs $0.80 per median task), placing it on the Pareto frontier with 12% confirmed-success signal.
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