gpt-4o
For gpt-4o, provider is Microsoft Azure / Foundry; lifecycle status is Deprecated; shutdown / retirement date is 2026-10-01; recommended replacement is gpt-5.1; platform / deployment scope is Azure / Microsoft Foundry, recorded from its source on 2026-08-12.
- Provider
- Microsoft Azure / Foundry
- Model ID / API name
- gpt-4o verified
- Human-readable model name
- gpt-4o verified
- Lifecycle status
- Deprecated verified
- Shutdown / retirement date
- 2026-10-01 verified
- Recommended replacement
- gpt-5.1 verified
- Platform / deployment scope
- Azure / Microsoft Foundry our reading
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
gpt-4o | 2024-05-13 | Deprecated | 2026-10-01 | gpt-5.1 |
— learn.microsoft.com, retrieved 2026-08-12
Sources disagree
More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.
Shutdown / retirement date
learn.microsoft.com says shutdown / retirement date is 2026-10-01, as of 2026-08-12.
gpt-4o | 2024-05-13 | Deprecated | 2026-10-01 | gpt-5.1 |
https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule
learn.microsoft.com says shutdown / retirement date is 2027-04-14, as of 2026-08-12.
2027-04-14 | — | gpt-4.1-nano | 2025-04-14 | Deprecated | 2026-10-14 | — | gpt-4o | 2024-05-13 | Deprecated | 2026-10-01 | gpt-5.1 |
https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule
learn.microsoft.com says shutdown / retirement date is 2027-04-14, as of 2026-08-12.
2027-04-14 | — | gpt-4.1-nano | 2025-04-14 | Deprecated | 2026-10-14 | — | gpt-4o | 2024-05-13 | Deprecated | 2026-10-01 | gpt-5.1 |
https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule
Source
- learn.microsoft.comhttps://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule