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GPT-5.3 Codex XHigh

OpenAI · gpt-5-3-codex-xhigh

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Coding-optimized GPT model for repository edits, reviews, and agentic software work

Specification

most-agreed values

Context
400K
Max output
128K
Released
2026-02-05
Knowledge cutoff
2025-08-31
Retires
Open weights
no
Input
text, image, pdf
Output
text

Price

US dollars per million tokens · most-agreed

Input
$1.75
Output
$14.00

Available from 1 host

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
abacus$1.75$14.00400K128K

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