---
title: "Changes to Create speech"
method: POST
path: "/audio/speech"
---

# Changes to Create speech

`POST /audio/speech`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 39 of 303 revisions.

- **2026-09-25** `31b1cd25caca` — 1 info
- **2026-09-25** `770be574e63e` — 4 info
- **2026-09-24** `4c8b9dc76c45` — 1 info
- **2026-09-17** `3066544509b5` — 1 info
- **2026-09-17** `2de027b6dfcd` — 1 info
- **2026-09-16** `98e12733cd62` — 1 info
- **2026-09-15** `81e9c582ae1c` — 1 info
- **2026-09-15** `407c2ddfad8c` — 1 info
- **2026-09-14** `54ab2e9ba857` — 1 info
- **2026-09-09** `5d13b1d2e3ac` — 1 info
- **2026-09-08** `933a13bf45f0` — 1 warning, 1 info
- **2026-09-03** `69fdb8682593` — 1 info
- **2026-09-02** `2d5e587f8e0e` — 1 info
- **2026-08-28** `678cf3543c15` — 1 info
- **2026-08-28** `a5e0686a8308` — 1 info
- **2026-08-25** `bf5b3e8c3ac9` — 1 info
- **2026-08-21** `39e93166d6b5` — 1 info
- **2026-08-18** `4b6184cf9252` — 1 info
- **2026-08-17** `66228e5b1ce2` — 1 info
- **2026-08-11** `c01407ce6d8c` — 1 info
- **2026-08-03** `bfa6c7bbddad` — 1 info
- **2026-07-30** `61e2adc90771` — 1 info
- **2026-07-30** `16700632340a` — 1 breaking, 1 info
- **2026-07-25** `d6cf29c1f736` — 1 info
- **2026-07-24** `46e316551165` — 1 info
- **2026-07-23** `69941227d1cd` — 2 info
- **2026-07-21** `7deea6d04c98` — 1 info
- **2026-07-21** `bdc10facb5b4` — 1 info
- **2026-07-17** `ed21cd9d0265` — 1 info
- **2026-07-16** `c91cc6f88caa` — 123 breaking, 1 info
- **2026-07-15** `ada7dbde69ed` — 1 info
- **2026-07-14** `8b656727d0a3` — 1 info
- **2026-07-10** `ce36a3d995b6` — 1 info
- **2026-07-09** `99841814a4f0` — 1 warning, 1 info
- **2026-06-26** `7fd444475582` — 1 info
- **2026-06-24** `1de249ed4255` — 1 info
- **2026-06-24** `8758fa27fe84` — 1 info
- **2026-06-24** `bae0fe0fb859` — 1 info
- **2026-06-23** `947294ecfa77` — 1 info

## Changes

- **2026-09-25** `31b1cd25caca` — 1 info
  - added the new optional request property `provider/options/respan`
- **2026-09-25** `770be574e63e` — 4 info
  - added the new optional request property `input_references/items/oneOf[#/components/schemas/SpeechInputReferenceAudio]/input_audio/url`
  - the request property `input_references/items/oneOf[#/components/schemas/SpeechInputReferenceAudio]/input_audio/data` became optional
  - added `image_url` discriminator mapping keys to the `input_references/items/` request property
  - added `#/components/schemas/SpeechInputReferenceImage` to the `input_references/items/` request property `oneOf` list
- **2026-09-24** `4c8b9dc76c45` — 1 info
  - added the new optional request property `provider/options/scaledown`
- **2026-09-17** `3066544509b5` — 1 info
  - added the new optional request property `provider/options/unbiased`
- **2026-09-17** `2de027b6dfcd` — 1 info
  - added the new optional request property `provider/options/typesafe`
- **2026-09-16** `98e12733cd62` — 1 info
  - added the new optional request property `session_id`
- **2026-09-15** `81e9c582ae1c` — 1 info
  - added the new optional request property `trace`
- **2026-09-15** `407c2ddfad8c` — 1 info
  - added the new optional request property `user`
- **2026-09-14** `54ab2e9ba857` — 1 info
  - added the new optional request property `provider/options/assemblyai`
- **2026-09-09** `5d13b1d2e3ac` — 1 info
  - added the new optional request property `provider/options/near-ai`
- **2026-09-08** `933a13bf45f0` — 1 warning, 1 info
  - removed the request property `provider/options/prime-intellect`
  - added the new optional request property `provider/options/primeintellect`
- **2026-09-03** `69fdb8682593` — 1 info
  - added the new optional request property `provider/options/prime-intellect`
- **2026-09-02** `2d5e587f8e0e` — 1 info
  - added the non-success response with the status `403`
- **2026-08-28** `678cf3543c15` — 1 info
  - added the new optional request property `provider/options/cosine`
- **2026-08-28** `a5e0686a8308` — 1 info
  - added the new optional request property `provider/options/ollama`
- **2026-08-25** `bf5b3e8c3ac9` — 1 info
  - added the non-success response with the status `413`
- **2026-08-21** `39e93166d6b5` — 1 info
  - added the new optional request property `provider/options/makora`
- **2026-08-18** `4b6184cf9252` — 1 info
  - added the new optional request property `provider/options/anthropic/2`
- **2026-08-17** `66228e5b1ce2` — 1 info
  - added the new optional request property `provider/options/amazon-bedrock/claude-on-aws`
- **2026-08-11** `c01407ce6d8c` — 1 info
  - added the new optional request property `provider/options/databricks`
- **2026-08-03** `bfa6c7bbddad` — 1 info
  - added the new optional request property `input_references`
- **2026-07-30** `61e2adc90771` — 1 info
  - added the new optional request property `provider/options/thinkingmachines`
- **2026-07-30** `16700632340a` — 1 breaking, 1 info
  - the `voice` request property's minLength was increased from `0` to `1`
  - the request property `voice` became optional
- **2026-07-25** `d6cf29c1f736` — 1 info
  - added the new optional request property `provider/options/claude-on-aws`
- **2026-07-24** `46e316551165` — 1 info
  - added the new optional request property `provider/options/voyageai`
- **2026-07-23** `69941227d1cd` — 2 info
  - added the new optional request property `provider/options/sakana-ai`
  - added the new optional request property `provider/options/wandb-legacy`
- **2026-07-21** `7deea6d04c98` — 1 info
  - added the new optional request property `provider/options/coreweave`
- **2026-07-21** `bdc10facb5b4` — 1 info
  - added the new optional request property `provider/options/runway`
- **2026-07-17** `ed21cd9d0265` — 1 info
  - added the new optional request property `provider/options/fish-audio`
- **2026-07-16** `c91cc6f88caa` — 123 breaking, 1 info
  - the request property `provider/options/01ai/additionalProperties/` became not nullable
  - the request property `provider/options/ai21/additionalProperties/` became not nullable
  - the request property `provider/options/aion-labs/additionalProperties/` became not nullable
  - the request property `provider/options/akashml/additionalProperties/` became not nullable
  - the request property `provider/options/alibaba/additionalProperties/` became not nullable
  - the request property `provider/options/amazon-bedrock/additionalProperties/` became not nullable
  - the request property `provider/options/amazon-nova/additionalProperties/` became not nullable
  - the request property `provider/options/ambient/additionalProperties/` became not nullable
  - the request property `provider/options/anthropic/additionalProperties/` became not nullable
  - the request property `provider/options/anyscale/additionalProperties/` became not nullable
  - the request property `provider/options/arcee-ai/additionalProperties/` became not nullable
  - the request property `provider/options/atlas-cloud/additionalProperties/` became not nullable
  - the request property `provider/options/atoma/additionalProperties/` became not nullable
  - the request property `provider/options/avian/additionalProperties/` became not nullable
  - the request property `provider/options/azure/additionalProperties/` became not nullable
  - the request property `provider/options/baidu/additionalProperties/` became not nullable
  - the request property `provider/options/baseten/additionalProperties/` became not nullable
  - the request property `provider/options/black-forest-labs/additionalProperties/` became not nullable
  - the request property `provider/options/byteplus/additionalProperties/` became not nullable
  - the request property `provider/options/centml/additionalProperties/` became not nullable
  - the request property `provider/options/cerebras/additionalProperties/` became not nullable
  - the request property `provider/options/chutes/additionalProperties/` became not nullable
  - the request property `provider/options/cirrascale/additionalProperties/` became not nullable
  - the request property `provider/options/clarifai/additionalProperties/` became not nullable
  - the request property `provider/options/cloudflare/additionalProperties/` became not nullable
  - the request property `provider/options/cohere/additionalProperties/` became not nullable
  - the request property `provider/options/crofai/additionalProperties/` became not nullable
  - the request property `provider/options/crucible/additionalProperties/` became not nullable
  - the request property `provider/options/crusoe/additionalProperties/` became not nullable
  - the request property `provider/options/darkbloom/additionalProperties/` became not nullable
  - the request property `provider/options/decart/additionalProperties/` became not nullable
  - the request property `provider/options/deepgram/additionalProperties/` became not nullable
  - the request property `provider/options/deepinfra/additionalProperties/` became not nullable
  - the request property `provider/options/deepseek/additionalProperties/` became not nullable
  - the request property `provider/options/dekallm/additionalProperties/` became not nullable
  - the request property `provider/options/digitalocean/additionalProperties/` became not nullable
  - the request property `provider/options/enfer/additionalProperties/` became not nullable
  - the request property `provider/options/fake-provider/additionalProperties/` became not nullable
  - the request property `provider/options/featherless/additionalProperties/` became not nullable
  - the request property `provider/options/fireworks/additionalProperties/` became not nullable
  - …84 more
- **2026-07-15** `ada7dbde69ed` — 1 info
  - added the new optional request property `provider/options/krea`
- **2026-07-14** `8b656727d0a3` — 1 info
  - added the new optional request property `provider/options/sail-research`
- **2026-07-10** `ce36a3d995b6` — 1 info
  - added the new optional request property `provider/options/deepgram`
- **2026-07-09** `99841814a4f0` — 1 warning, 1 info
  - removed the request property `provider/options/sakana-ai`
  - added the new optional request property `provider/options/sakana`
- **2026-06-26** `7fd444475582` — 1 info
  - added the new optional request property `provider/options/quiver`
- **2026-06-24** `1de249ed4255` — 1 info
  - added the new optional request property `provider/options/heygen`
- **2026-06-24** `8758fa27fe84` — 1 info
  - added the new optional request property `provider/options/inferact-vllm`
- **2026-06-24** `bae0fe0fb859` — 1 info
  - added the new optional request property `provider/options/sakana-ai`
- **2026-06-23** `947294ecfa77` — 1 info
  - added the new optional request property `provider/options/tenstorrent`

---

[Operation](https://skmtc.dev/openrouterteam/apis/openrouter-api/docs/audio/speech/post.md) · [API](https://skmtc.dev/openrouterteam/apis/openrouter-api.md) · [Page](https://skmtc.dev/openrouterteam/apis/openrouter-api/changes/audio/speech/post)
