GPT 5 Codex

Release Date: 9/23/2025

Benchmarked by Vals Logo

GPT-5-Codex is a version of GPT-5 optimized for agentic coding tasks.

Avg. Accuracy

55.7%

Latency

686.6s

Cost (In/Out)

1.25 / 10.00

Context Window

400k

Max Output Tokens

N/A

Input Modality

Benchmarks

Accuracy

Rankings

LiveCodeBench

0.0%

72/ 72

IOI

0.0%

27/ 27

Terminal-Bench

0.0%

38/ 38

SWE-bench

0.0%

36/ 36

Academic Benchmarks
Proprietary Benchmarks (contact us to get access)

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