Claim this page: OpenAI API: gpt-5.1, gpt-5.3-codex, gpt-5.4-nano
Are you the vendor of OpenAI API: gpt-5.1, gpt-5.3-codex, gpt-5.4-nano? Verify control of openai.com (the domain of your own announcement) and you can add official export and migration links to this page - marked "vendor-confirmed".
- Serve this exact text at
https://openai.com/.well-known/bikoosh-claim.txt:bikoosh-claim-b83d1b43405a6be71c475eaf1bb9c089 - Click verify:
Status and dates always follow the public sourced record - claiming never changes them. Every update is logged publicly in the event's change log. Shutdown Watch tracks vendor announcements and public deadlines; it is monitoring assistance, not legal or migration advice.
Cite this
| Claim this page - https://bikoosh.com/shutdowns/openai-gpt-5-1-5-3-codex-5-4-nano-api-models/claim | |
| <a href="https://bikoosh.com/shutdowns/openai-gpt-5-1-5-3-codex-5-4-nano-api-models/claim">Claim this page</a> | |
| [Claim this page](https://bikoosh.com/shutdowns/openai-gpt-5-1-5-3-codex-5-4-nano-api-models/claim) | |
| Claim this page. Bikoosh. Retrieved 2026-11-05, from https://bikoosh.com/shutdowns/openai-gpt-5-1-5-3-codex-5-4-nano-api-models/claim |