OpenAI API Models gpt-5.3-codex — lifecycle date releaseDate is now 2026-02-05
For OpenAI API Models gpt-5.3-codex, product is openai-api-models; field changed is releaseDate; new value is 2026-02-05; detected is 2026-09-08, verified against its source on 2026-09-08.
- Product
- openai-api-models verified
- Product label
- OpenAI API Models verified
- Release cycle
- gpt-5.3-codex verified
- Field changed
- releaseDate verified
- New value
- 2026-02-05 verified
- Detected
- 2026-09-08 verified
What the source says
{"name":"gpt-5.3-codex","codename":null,"label":"GPT-5.3-Codex","releaseDate":"2026-02-05"
— endoflife.date, retrieved 2026-09-08
Source
- endoflife.datehttps://endoflife.date/api/v1/products/openai-api-models
This one changes, and we watch it.Software end-of-life date changes — which dates moved and what they were before is re-read on a schedule and every change is dated. Subscribe: Atom feed · JSON · what has changed so far.