OpenAI
gpt-5.3-codex
⏳ 147 days left
Yes. gpt-5.3-codex is deprecated and shuts down on April 1, 2027, in 147 days.
Recommended replacement: gpt-6-sol
Source: OpenAI deprecation page.
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Paste a file or a public GitHub repo URL into the scanner. It finds every model ID that is dead or dying, with the file and line, in your browser.
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Or one line in a terminal or in CI (fails if a dead ID is found): curl -sL https://lira-ia.github.io/model-check/check.py | python3 - . · GitHub Action