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SOURCE RECORD · obs_a1b3f3b782ca…

LMArena · Industry data source update

Substantive changesRecordedObservation date 2026-09-07(day precision)Revision r3

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Summary

Claude Fable 5.1 (Max) and Hy4 preview have been added as two new entries, corresponding to two new models entering the arena evaluation list, reflecting that the model supply side has new faces appearing, but there is no specific performance or pricing data disclosed for the time being.

LLM generation

LLM The summary is machine-generated; please refer to the original text for important information.

Source page

https://lmarena.ai/leaderboard ↗

This link points to the source's official page (not content on this site).