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IFAI

GPT-5.5

OpenAIClosedReleased Apr 23, 2026

Rank on Intelligence, week by week

Its best rank each week
Aug 24#22
Aug 31#24
Sep 7#28
Sep 14#28
Sep 21#28
Sep 28#30
Oct 5#29
Oct 12#31
Oct 19#24
Oct 26#26
Nov 2#28
Nov 9#29

Scores by variant

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

Intelligence · Text arena
  • GPT-5.5 (High)#291,481
  • GPT-5.5#331,476
Coding · WebDev arena
  • GPT-5.5 (xHigh, Codex Harness)#631,512
  • GPT-5.5 (High, Codex Harness)#701,487
  • GPT-5.5 (Codex Harness)#801,455

In the news: GPT-5.5

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