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GPT-5.1 Codex High

OpenAI · proprietary · gpt-5.1-codex-high

GPT-5.1 Codex High is optimized for complex coding tasks with enhanced reasoning capabilities. This variant provides deep code analysis, architectural planning, and sophisticated problem-solving for challenging programming tasks.

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BenchmarkScore
AIME 20250.97

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GPT-5.1 Codex High Benchmarks · all the models