GPT-5 Codex is a specialized version of GPT-5 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks. The model supports building projects from scratch, feature development, debugging, large-scale refactoring, and code review.
Try NowInteractive development sessions
Long independent engineering tasks
Feature development and code review
400,000 tokens
128,000 tokens
$1.25
$10
$0.125
$15
$0.19