GPT-5.1 Codex Max
openai-gpt-5-1-codex-max
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Specification
most-agreed values
Context
400K
Max output
128K
Released
2025-11-13
Knowledge cutoff
2024-09-30
Retires
—
Open weights
no
Input
text, image
Output
text
Price
US dollars per million tokens · most-agreed
Input
$1.25
Output
$10.00
Cache read
$0.125
Available from 1 host
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| digitalocean | $1.25 | $10.00 | $0.125 | — | 400K | 128K | — |
Other listings of this model
this page is one of them
The corpus files GPT-5.1 Codex Max under several keys. This page is the openai-gpt-5-1-codex-max listing. The full record — every host, every price and every benchmark score — is on the main GPT-5.1 Codex Max page.