OpenAI: GPT-4o Audio

openai/gpt-4o-audio-preview

Created Aug 15, 2025128,000 context

$2.50/M input tokens$10/M output tokens$40/M audio tokens

The gpt-4o-audio-preview model adds support for audio inputs as prompts. This enhancement allows the model to detect nuances within audio recordings and add depth to generated user experiences. Audio outputs are currently not supported. Audio tokens are priced at $40 per million input audio tokens.

OpenAI: GPT-4o Audio

openai/gpt-4o-audio-preview

Created Aug 15, 2025128,000 context

$2.50/M input tokens$10/M output tokens$40/M audio tokens

Sample code and API for GPT-4o Audio

OpenRouter normalizes requests and responses across providers for you.

OpenRouter provides an OpenAI-compatible completion API to 400+ models & providers that you can call directly, or using the OpenAI SDK. Additionally, some third-party SDKs are available.

In the examples below, the OpenRouter-specific headers are optional. Setting them allows your app to appear on the OpenRouter leaderboards.

Using third-party SDKs

For information about using third-party SDKs and frameworks with OpenRouter, please see our frameworks documentation.

See the Request docs for all possible fields, and Parameters for explanations of specific sampling parameters.