AI Benchmark Model

GPT-5.1 Codex (high)

Benchmark scores, pricing, speed, and model comparisons for GPT-5.1 Codex (high).

Key scores

Intelligence43.1Index score
Coding36.6Index score
Math95.7Index score
Speed190.3Tokens/sec
Blended Cost$3.44Per 1M tokens

Review benchmark scores, pricing, performance data, and generated comparisons for this AI model.

Benchmark results

10 tracked benchmark rows for GPT-5.1 Codex (high).

AIME 2025 Math
95.7%
MMLU Pro Knowledge
86.0%
GPQA Reasoning
86.0%
LiveCodeBench Code
84.9%
TAU2 Other
83.0%
IFBench Other
70.0%
LCR Other
67.3%
SciCode Other
40.2%
TerminalBench Hard Other
34.8%
HLE Other
23.4%

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