Tell HN: GPT-5.3-codex is now available in the API
Enjoy. Update: It's in the Codex CLI but not yet enabled. Sorry for the false alarm. 0 comments on Hacker News.
Enjoy. Update: It's in the Codex CLI but not yet enabled. Sorry for the false alarm.
Enjoy. Update: It's in the Codex CLI but not yet enabled. Sorry for the false alarm. 0 comments on Hacker News.
Enjoy. Update: It's in the Codex CLI but not yet enabled. Sorry for the false alarm.
Hacker News story: Tell HN: GPT-5.3-codex is now available in the API
![Hacker News story: Tell HN: GPT-5.3-codex is now available in the API]()
Reviewed by Tha Kur
on
February 12, 2026
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