# OpenAI GPT-3.5 Turbo (0301) — deprecation status

> Yes — GPT-3.5 Turbo (0301) is retired. OpenAI deprecated it on June 13, 2023 and shut it down on September 13, 2024; API requests to it now fail. The recommended replacement is GPT-3.5 Turbo.

The launch snapshot of GPT-3.5 Turbo, from March 2023 — the model that made chat APIs cheap and kicked off the current wave of applications. It was deprecated three months after release and took eighteen months to actually go.

## Facts

| Field | Value |
| --- | --- |
| Provider | OpenAI |
| Model id | `gpt-3.5-turbo-0301` |
| Status | Retired |
| Released | March 1, 2023 |
| Deprecated | June 13, 2023 |
| Shutdown | September 13, 2024 (685 days ago) |
| Last verified | July 30, 2026 |

## Replacement

- **GPT-3.5 Turbo** (`gpt-3.5-turbo`) · recommended — https://modeldeprecations.dev/openai/gpt-3.5-turbo
  - Now deprecated in turn. Anything still pinned to a 2023 snapshot should go straight to a current model rather than to the pointer.
  - Parameters it accepts: https://modelparams.dev/models/openai/gpt-3.5-turbo

```diff
- "model": "gpt-3.5-turbo-0301"
+ "model": "gpt-3.5-turbo"
```

## FAQ

### When did OpenAI GPT-3.5 Turbo (0301) shut down?

OpenAI GPT-3.5 Turbo (0301) shut down on September 13, 2024. API requests to it fail from that date onward.

### What replaces OpenAI GPT-3.5 Turbo (0301)?

OpenAI recommends GPT-3.5 Turbo (`gpt-3.5-turbo`) as the replacement for OpenAI GPT-3.5 Turbo (0301). Now deprecated in turn. Anything still pinned to a 2023 snapshot should go straight to a current model rather than to the pointer.

### Is OpenAI GPT-3.5 Turbo (0301) still available?

No. OpenAI GPT-3.5 Turbo (0301) is retired and no longer served — it was shut down on September 13, 2024. Calls to it return an error.

### How do I migrate from OpenAI GPT-3.5 Turbo (0301) to gpt-3.5-turbo?

Swap the model id in your API call: replace "gpt-3.5-turbo-0301" with "gpt-3.5-turbo". Now deprecated in turn. Anything still pinned to a 2023 snapshot should go straight to a current model rather than to the pointer.

## 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-3.5-turbo-0301
JSON: https://modeldeprecations.dev/api/v1/models/openai/gpt-3.5-turbo-0301.json