GPT 5 Codex

Release Date: 9/23/2025

Accuracy (Average)

47.24%

Latency (Average)

838.93s

Avg. Cost (In/Out)

1.25 / 10

Context Window

400k

Max Output Tokens

128k

Input Modality

Hyperparameter settings
Default Provider : OpenAI

Temperature

Default

Top P

Default

Top K

Default

Max Output Tokens

128,000

Reasoning Effort

high

Benchmarks

Accuracy

Rankings

0.0%

± 7.72
25/ 52

0.0%

± 1.03
15/ 108
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