# OpenAI GPT-4o mini Realtime preview — deprecation status

> Yes — GPT-4o mini Realtime preview is retired. OpenAI deprecated it on September 15, 2025 and shut it down on May 7, 2026; API requests to it now fail. The recommended replacement is GPT Realtime mini.

The cheaper realtime preview, which made always-on voice affordable enough for consumer products — realtime audio is billed per minute, so the tier below the flagship mattered more here than anywhere else.

## Facts

| Field | Value |
| --- | --- |
| Provider | OpenAI |
| Model id | `gpt-4o-mini-realtime-preview` |
| Status | Retired |
| Deprecated | September 15, 2025 |
| Shutdown | May 7, 2026 (84 days ago) |
| Last verified | July 30, 2026 |

## Replacement

- **GPT Realtime mini** (`gpt-realtime-mini`) · recommended — https://modeldeprecations.dev/openai/gpt-realtime-mini
  - Note that gpt-realtime-mini is itself deprecated with a January 2027 shutdown; gpt-realtime-2.1-mini is the target that lasts.
  - Parameters it accepts: https://modelparams.dev/models/openai/gpt-realtime-mini

```diff
- "model": "gpt-4o-mini-realtime-preview"
+ "model": "gpt-realtime-mini"
```

## FAQ

### When did OpenAI GPT-4o mini Realtime preview shut down?

OpenAI GPT-4o mini Realtime preview shut down on May 7, 2026. API requests to it fail from that date onward.

### What replaces OpenAI GPT-4o mini Realtime preview?

OpenAI recommends GPT Realtime mini (`gpt-realtime-mini`) as the replacement for OpenAI GPT-4o mini Realtime preview. Note that gpt-realtime-mini is itself deprecated with a January 2027 shutdown; gpt-realtime-2.1-mini is the target that lasts.

### Is OpenAI GPT-4o mini Realtime preview still available?

No. OpenAI GPT-4o mini Realtime preview is retired and no longer served — it was shut down on May 7, 2026. Calls to it return an error.

### How do I migrate from OpenAI GPT-4o mini Realtime preview to gpt-realtime-mini?

Swap the model id in your API call: replace "gpt-4o-mini-realtime-preview" with "gpt-realtime-mini". Note that gpt-realtime-mini is itself deprecated with a January 2027 shutdown; gpt-realtime-2.1-mini is the target that lasts.

## 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/gpt-4o-mini-realtime-preview
JSON: https://modeldeprecations.dev/api/v1/models/openai/gpt-4o-mini-realtime-preview.json