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OTIS Mock AIME 2024-2025

Competition problems with model-extracted answers checked against an exact key. Earlier grading procedures are excluded.

ModelConfigurationResultTest date
Claude Fable 5Claude Fable 5 (high)100.0* %2026-08-06
Claude Fable 5.1Claude Fable 5.1 (max)100.0* %2026-09-01
Claude Opus 5.5Claude Opus 5.5 (max)100.0* %2026-09-22
Claude Sonnet 5.5Claude Sonnet 5.5 (max)100.0* %2026-09-29
GPT-5.6 SolGPT-5.6 Sol (max)100.0* %2026-07-09
GPT-6 SolGPT-6 Sol (max)100.0* %2026-09-22

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* Provisional data