Time to Bail · Boarding pass
Act. You can stay.
These snapshots shut down January 14, 2027. Move to gpt-6-luna first.[1]
Act means: change a setting or plan before the date. You can stay.
OpenAI shuts down GPT-4o and GPT-4.1 snapshots on January 14, 2027
OpenAI removes the remaining GPT-4o, GPT-4o mini, GPT-4.1 and GPT-4.1 mini snapshots from the API on January 14, 2027. It names gpt-6-luna as the replacement for all of them.
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Look for the dated snapshots and for gpt-4o, gpt-4o-mini, gpt-4.1 and gpt-4.1-mini. Today these short names point to snapshots on the list.
OpenAI names it for all five snapshots. Fine-tuned models on these bases stop on the same day.
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| Shutdown date | January 14, 2027[1] |
|---|---|
| Snapshots that shut down | gpt-4o-2024-08-06, gpt-4o-2024-11-20, gpt-4o-mini-2024-07-18, gpt-4.1-2025-04-14, gpt-4.1-mini-2025-04-14[1] |
| Replacement | gpt-6-luna for all five snapshots[1] |
| Fine-tuned versions | Shut down on the same schedule as their base models[1] |
| Announced | October 14, 2026[1] |
| After shutdown | The model can no longer be accessed[1] |
| Default snapshot behind gpt-4o | gpt-4o-2024-08-06[2] |
| Default snapshot behind gpt-4o-mini | gpt-4o-mini-2024-07-18[3] |
| Default snapshot behind gpt-4.1 | gpt-4.1-2025-04-14[4] |
| Default snapshot behind gpt-4.1-mini | gpt-4.1-mini-2025-04-14[5] |
| Shutdown dates in the API | GET /v1/models lists each model's shutdown_date[1] |
| Apps that call these snapshots | Stop working on January 14, 2027[1] |
Calls that name a shut-down snapshot, such as gpt-4o-2024-08-06 or gpt-4.1-2025-04-14, stop working. OpenAI says the model is no longer accessible after the shutdown.
gpt-6-luna.GET /v1/models and read each model's shutdown_date.Source: [1] OpenAI API deprecations (OpenAI)
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Time to bail on OpenAI API: GPT-4o and GPT-4.1 snapshots? Act. You can stay. These snapshots shut down January 14, 2027. Move to gpt-6-luna first.
On our scale this is Act: change a setting or plan before the date. You can stay.
OpenAI removes the remaining GPT-4o, GPT-4o mini, GPT-4.1 and GPT-4.1 mini snapshots from the API on January 14, 2027. It names gpt-6-luna as the replacement for all of them.
Here are the facts we checked:
You can stay on OpenAI API. You have to change a setting or plan before the date.
Leaving is a choice here, not a must.
OpenAI is the main source for this page. OpenAI API has not said more than what is listed here. If a fact is not on this page, we do not know it yet.
Apps that call these snapshots: Stop working on January 14, 2027.
The date to remember is January 14, 2027. Make the change before then.
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People on OpenAI API: GPT-4o and GPT-4.1 snapshots can stay if they make the change. Some would rather leave. Get the playbook for this change, and list your product here.
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