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IFAI

Claude Opus 4.8

AnthropicClosedReleased May 28, 2026

Rank on Intelligence, week by week

Its best rank each week
Aug 24#31
Aug 31#33
Sep 7#35
Sep 14#35
Sep 21#37
Sep 28#37
Oct 5#40
Oct 12#40
Oct 19#25
Oct 26#25
Nov 2#26
Nov 9#28

Scores by variant

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

Intelligence · Text arena
  • Claude Opus 4.8 (High)#281,482
  • Claude Opus 4.8#391,474
Coding · WebDev arena
  • Claude Opus 4.8 (High)#471,555
  • Claude Opus 4.8#551,536

In the news: Claude Opus 4.8

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