# OpenAI ChatGPT-4o latest — deprecation status

> Yes — ChatGPT-4o latest is retired. OpenAI deprecated it on November 18, 2025 and shut it down on February 17, 2026; API requests to it now fail. The recommended replacement is GPT-5.1 chat-latest.

The id that exposed the exact GPT-4o variant serving ChatGPT, complete with the personality tuning the API models did not have. It was popular for chat products that wanted ChatGPT's voice, and it was retired in February 2026.

## Facts

| Field | Value |
| --- | --- |
| Provider | OpenAI |
| Model id | `chatgpt-4o-latest` |
| Status | Retired |
| Deprecated | November 18, 2025 |
| Shutdown | February 17, 2026 (163 days ago) |
| Last verified | July 30, 2026 |

## Replacement

- **GPT-5.1 chat-latest** (`gpt-5.1-chat-latest`) · recommended — https://modeldeprecations.dev/openai/gpt-5.1-chat-latest
  - OpenAI named gpt-5.1-chat-latest as the successor — but that id has since been retired too. The chain currently ends at gpt-5.6-sol.
  - Parameters it accepts: https://modelparams.dev/models/openai/gpt-5.1-chat-latest

```diff
- "model": "chatgpt-4o-latest"
+ "model": "gpt-5.1-chat-latest"
```

## FAQ

### When did OpenAI ChatGPT-4o latest shut down?

OpenAI ChatGPT-4o latest shut down on February 17, 2026. API requests to it fail from that date onward.

### What replaces OpenAI ChatGPT-4o latest?

OpenAI recommends GPT-5.1 chat-latest (`gpt-5.1-chat-latest`) as the replacement for OpenAI ChatGPT-4o latest. OpenAI named gpt-5.1-chat-latest as the successor — but that id has since been retired too. The chain currently ends at gpt-5.6-sol.

### Is OpenAI ChatGPT-4o latest still available?

No. OpenAI ChatGPT-4o latest is retired and no longer served — it was shut down on February 17, 2026. Calls to it return an error.

### How do I migrate from OpenAI ChatGPT-4o latest to gpt-5.1-chat-latest?

Swap the model id in your API call: replace "chatgpt-4o-latest" with "gpt-5.1-chat-latest". OpenAI named gpt-5.1-chat-latest as the successor — but that id has since been retired too. The chain currently ends at gpt-5.6-sol.

## Sources

- [OpenAI API deprecations](https://developers.openai.com/api/docs/deprecations) — accessed 2026-07-30

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Canonical page: https://modeldeprecations.dev/openai/chatgpt-4o-latest
JSON: https://modeldeprecations.dev/api/v1/models/openai/chatgpt-4o-latest.json