Terminal list · OpenAI
gpt-5.4-nano-2026-03-17 given 147 days
OpenAI sets retirement for April 1, 2027
gpt-5.4-nano-2026-03-17, an OpenAI model that answered questions, wrote emails and was blamed for both, has been given a date: April 1, 2027. That is 147 days from this edition. It is 7 months old. Until then it will keep answering, as if nothing happened.
Survived by gpt-6-luna, younger, cheaper, and named in the same documentation table.
| Model ID | gpt-5.4-nano-2026-03-17 |
|---|---|
| Provider | OpenAI deprecations page |
| Born | March 17, 2026 |
| Shuts down | April 1, 2027 |
| Successor | gpt-6-luna |
In lieu of flowers
Replace the string. Search your code for gpt-5.4-nano-2026-03-17 and swap it for gpt-6-luna, or paste a repo into Model Graveyard Check to find every dead model at once.
Want to say something to it? Leave a letter on the farewell wall.
Badge for your README
[](https://lira-ia.github.io/obituaries/gpt-5-4-nano-2026-03-17/)
Updated daily. All 271 badges
Technical notice, with a code scanner: gpt-5-4-nano-2026-03-17 on Model Graveyard Check