AI Benchmark Model

GPT-5 Codex (high)

Benchmark scores, pricing, speed, and model comparisons for GPT-5 Codex (high).

Key scores

Intelligence24.9Index score
Math98.7Index score
Blended Cost$3.44Per 1M tokens

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

Benchmark results

9 tracked benchmark rows for GPT-5 Codex (high).

AIME 2025 Math
98.7%
TAU2 Other
86.8%
MMLU Pro Knowledge
86.5%
LiveCodeBench Code
84.0%
GPQA Reasoning
83.7%
IFBench Other
74.1%
LCR Other
71.7%
TerminalBench Hard Other
37.9%
HLE Other
27.8%