LMSYS Arena Introduces AutoEval, a Reward Model for Automated Evaluation
arena · x · 2026-08-13
LMSYS Arena has announced AutoEval, a reward model trained on tens of millions of historical human battle data.
Unlike traditional LLM-as-judge methods, AutoEval remains a live benchmark. Derived from real-world battles, the reward model scores based on human prompts and model responses, allowing it to estimate human preferences and deliver evaluation results at frontier speed.
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