Arena.ai(@arena):Kimi-K3 just topped the Frontend Code Arena with a 76% pairwise win rate. When its output was compared head-to-head against other models on the same task, it was picked as the better output 76% of the time on average. For reference: Claude Fable 5 (63%), GPT-5.6 Sol (58%). 50% is baseline, a model winning and losing equally often.

Arena.ai

@arena

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Joined March 2023

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Arena.ai@arena

2026.07.16 23:11

Kimi-K3 just topped the Frontend Code Arena with a 76% pairwise win rate. When its output was compared head-to-head against other models on the same task, it was picked as the better output 76% of the time on average. For reference: Claude Fable 5 (63%), GPT-5.6 Sol (58%). 50% is baseline, a model winning and losing equally often.