gpt-5.1-codex-max

gpt-5.1-codex-max

Modalities

Input

textimage

Output

text

Pricing

Cost per 1 million tokens

Input

$1.5

Output

$12

Model Specs

Context Window

400,000

Max Output

128,000

Release Date

2025-11-13

Knowledge Cutoff

2024-09-30

Capabilities

Reasoning

Tool Calling

Vision

Last Updated: 2025-11-13

Provider: