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IFAI

Claude Opus 4.5

AnthropicClosedReleased Nov 24, 2025

Rank on Intelligence, week by week

Its best rank each week
Aug 24#37
Aug 31#40
Sep 7#41
Sep 14#41
Sep 21#44
Sep 28#47
Oct 5#47
Oct 12#48
Oct 19#42
Oct 26#43
Nov 2#42
Nov 9#43

Scores by variant

Reasoning efforts and resolutions of the same model are ranked separately.

Intelligence · Text arena
  • Claude Opus 4.5 (High, 32K, 20251101)#431,474
  • Claude Opus 4.5 (20251101)#501,470
Coding · WebDev arena
  • Claude Opus 4.5 (High, 32K, 20251101)#681,493
  • Claude Opus 4.5 (20251101)#761,469

In the news: Claude Opus 4.5

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