# OpenAI GPT-4o Audio preview — deprecation status

> Yes — GPT-4o Audio 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 Audio 1.5.

Audio in and audio out over ordinary Chat Completions, without the WebSocket session the realtime models require. It suited anything that did not need to be interrupted mid-sentence — voice notes, summaries, asynchronous replies.

## Facts

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

## Replacement

- **GPT Audio 1.5** (`gpt-audio-1.5`) · recommended — https://modeldeprecations.dev/openai/gpt-audio-1.5
  - Same request/response shape, so this is closer to a drop-in than the realtime migration. Re-check the supported input and output audio formats.
  - Parameters it accepts: https://modelparams.dev/models/openai/gpt-audio-1.5

```diff
- "model": "gpt-4o-audio-preview"
+ "model": "gpt-audio-1.5"
```

## FAQ

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

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

### What replaces OpenAI GPT-4o Audio preview?

OpenAI recommends GPT Audio 1.5 (`gpt-audio-1.5`) as the replacement for OpenAI GPT-4o Audio preview. Same request/response shape, so this is closer to a drop-in than the realtime migration. Re-check the supported input and output audio formats.

### Is OpenAI GPT-4o Audio preview still available?

No. OpenAI GPT-4o Audio 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 Audio preview to gpt-audio-1.5?

Swap the model id in your API call: replace "gpt-4o-audio-preview" with "gpt-audio-1.5". Same request/response shape, so this is closer to a drop-in than the realtime migration. Re-check the supported input and output audio formats.

## Sources

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

---

Canonical page: https://modeldeprecations.dev/openai/gpt-4o-audio-preview
JSON: https://modeldeprecations.dev/api/v1/models/openai/gpt-4o-audio-preview.json