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Bar chart race of gpt-5.5-pre-release_xhigh, gemini-4-argon_high, gpt-6-astra_max and 7 more, by GPQA Diamond.
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gpt-5.5-pre-release_xhigh
FrontierMath
52 %
FrontierMath Tier 4
35 %
GPQA Diamond
94 %
OTIS Mock AIME 2024 2025
100 %
SWE bench Verified
81 %
gpt-5.5-pre-release_xhigh benchmark results.