---
title: "Changes to Generates audio from the input text."
method: POST
path: "/openai/v1/audio/speech"
---

# Changes to Generates audio from the input text.

`POST /openai/v1/audio/speech`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 5 of 48 revisions.

- **2025-05-29** `a2ddf0c5cb79`: 7 info
- **2025-05-16** `ee34f94100e3`: 1 info
- **2025-04-22** `37498d19ece8`: 1 breaking, 2 info
- **2025-03-19** `57e8ccf3bae4`: 7 breaking, 1 info
- **2025-01-29** `c5b2589925cd`: 1 info

## Changes

- **2025-05-29** `a2ddf0c5cb79`: 7 info
  - added the new optional request property `sample_rate`
  - the `response_format` request property default value changed from `wav` to `mp3`
  - added the new `flac` enum value to the request property `response_format`
  - added the new `mulaw` enum value to the request property `response_format`
  - added the new `ogg` enum value to the request property `response_format`
  - the `speed` request property's max was increased from `1.00` to `5.00`
  - the `speed` request property's min was decreased from `1.00` to `0.50`
- **2025-05-16** `ee34f94100e3`: 1 info
  - added `subschema #2` to the `model` request property `anyOf` list
- **2025-04-22** `37498d19ece8`: 1 breaking, 2 info
  - removed the media type `application/octet-stream` for the response with the status `200`
  - added the new `mp3` enum value to the request property `response_format`
  - added the media type `audio/wav` for the response with the status `200`
- **2025-03-19** `57e8ccf3bae4`: 7 breaking, 1 info
  - removed the enum value `aac` of the request property `response_format`
  - removed the enum value `flac` of the request property `response_format`
  - removed the enum value `mp3` of the request property `response_format`
  - removed the enum value `opus` of the request property `response_format`
  - removed the enum value `pcm` of the request property `response_format`
  - the `speed` request property's max was decreased to `1.00`
  - the `speed` request property's min was increased to `1.00`
  - the `response_format` request property default value changed from `mp3` to `wav`
- **2025-01-29** `c5b2589925cd`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/groq/apis/groqcloud-api/docs/openai/v1/audio/speech/post.md) - [API](https://skmtc.dev/groq/apis/groqcloud-api.md) - [Page](https://skmtc.dev/groq/apis/groqcloud-api/changes/openai/v1/audio/speech/post)