GPT 5.1 Codex

Release Date: 11/13/2025

Benchmarked by Vals Logo

OpenAI's latest coding model

Avg. Accuracy

70.7%

Latency

1001.6s

Cost (In/Out)

1.25 / 10.00

Context Window

400k

Max Output Tokens

128k

Input Modality

Benchmarks

Accuracy

Rankings

LiveCodeBench

0.0%

65/ 65

Terminal-Bench

0.0%

32/ 32

SWE-bench

0.0%

28/ 28

Academic Benchmarks
Proprietary Benchmarks (contact us to get access)

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