LMArena Search Arena

LMArena · search-2026-08-24-51d09b2e834b · Blind human preferences for search-augmented responses in LMArena.

Source
#1GPT-5.6 SolOpenAI1257.26rating29,663gpt-5.6-sol-xhigh; 95% CI [1249.79496224, 1264.72573796]; votes 29663; rank 1unknownOriginal sourcewinner eligibleThird-party benchmark
#2Claude Fable 5Anthropic1230.22rating41,795claude-fable-5; 95% CI [1222.30895335, 1238.13609545]; votes 41795; rank 5unknownOriginal sourcewinner eligibleThird-party benchmark

2 models ranked by the best winner-eligible current-version score when available, otherwise the best publisher-artifact score; highest first. Observed Aug 29, 2026.

Ranking protocol

arena rating · rating. Each model appears once; verified winner-eligible runs take precedence, and missing models are not imputed.

Acquisition coverage

2 published models from 34 source rows; 32 source identities remain quarantined.

Primary evidence

Publisher artifacts

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