GPT-5.1 Codex Benchmark Details

GPT-5.1 Codex currently shows benchmark results led by Terminal-Bench (2 / 35, score 56.30), LiveCodeBench (15 / 123, score 85.50), LiveBench (45 / 115, score 68.61).

Benchmark Results

GPT-5.1 Codex

Benchmark Results

Coding and Software Engineer

2 evaluations

Benchmark / mode

Score

Rank/total

85.50

15 / 123

SWE-bench Verified

70.40

58 / 112

AI Agent - Tool Usage

1 evaluations

Benchmark / mode

Score

Rank/total

56.30

2 / 35

General Knowledge

1 evaluations

Benchmark / mode

Score

Rank/total

Standard Mode

68.61

45 / 115

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