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IFAI

Claude 4.1 Opus

AnthropicClosedReleased Aug 5, 2025

Rank on Intelligence, week by week

Its best rank each week
Aug 24#71
Aug 31#72
Sep 7#75
Sep 14#75
Sep 21#78
Sep 28#82
Oct 5#81
Oct 12#82
Oct 19#79
Oct 26#79
Nov 2#79
Nov 9#80

Scores by variant

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

Intelligence · Text arena
  • Claude Opus 4.1 (Thinking 16K, 20250805)#801,450
  • Claude Opus 4.1 (20250805)#851,448

In the news: Claude Opus

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