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GPT-5.5 Pro

OpenAI · GPT. Released Apr 23, 2026.

5 results

Benchmark results 5

Compare this model
BenchmarkCategoryScoreMetricStatusDate
FrontierMathReasoning52.4%accuracyOfficialMay 30, 2026Details
ARC-AGI-2Reasoning84.58%accuracyOfficialMay 19, 2026Details
GPQA DiamondReasoning93.9%accuracyOfficialMay 30, 2026Details
AIME (OTIS Mock)Reasoning100.0%accuracyOfficialMay 30, 2026Details
SimpleQA VerifiedOther64.5%accuracyOfficialMay 30, 2026Details