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IFAI

Claude 4.5 Sonnet

AnthropicClosedReleased Sep 29, 2025

Rank on Intelligence, week by week

Its best rank each week
Aug 24#62
Aug 31#61
Sep 7#65
Sep 14#65
Sep 21#68
Sep 28#70
Oct 5#69
Oct 12#70
Oct 19#67
Oct 26#67
Nov 2#69
Nov 9#70

Scores by variant

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

Intelligence · Text arena
  • Claude Sonnet 4.5 (High, 32K, 20250929)#701,456
  • Claude Sonnet 4.5 (20250929)#731,455
Coding · WebDev arena
  • Claude Sonnet 4.5 (High, 32K, 20250929)#1071,393
  • Claude Sonnet 4.5 (20250929)#1101,385

In the news: Claude Sonnet

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