Model

GPT-5.5 Pre Release

OpenAI · closed weights

openai.com

Knowledge & Reasoning

Knowledge & Reasoning
BenchmarkScoreMetricHarnessSourceConfidenceLink
GPQA Diamond94.0accuracyN/AIndependenthighepoch.ai

Coding

Coding
BenchmarkScoreMetricHarnessSourceConfidenceLink
SWE-bench Verified80.6resolved_rateN/AIndependenthighepoch.ai

Reproduced by the community

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