GPT Audio
API ID gpt-audio
gpt-audio is an OpenAI model, released January 2026. It has a 128,000-token context window and up to 16,384 output tokens. It supports function calling. Standard price: $2.50 input and $10.00 output per 1M tokens.
- Status
- Deprecated
- Released
- January 2026
- Shutdown
- Jan 20, 2027
- Replacement
- GPT Audio 1.5gpt-audio-1.5
It stops serving on January 20, 2027. Recommended replacement: gpt-audio-1.5.
How to migrate to GPT Audio 1.5
On cloud platforms
All platform dates| Platform | Platform ID | State | Shutdown | Time left | Replacement | Source |
|---|---|---|---|---|---|---|
| Microsoft Foundryversion 2025-08-28 | gpt-audio | Active | Mar 2, 2027 | 138 days | — | source |
Microsoft Foundry (version 2025-08-28) retires this model 41 days after OpenAI's own API.
Read daily from each platform's own pages. The shutdown date and countdown on this page use OpenAI's own date. Time left counts to 00:00 UTC on the shutdown date, which is the evening before in ET.
Alias
All aliasesCurrently points to gpt-audio-2025-08-28 (in place when tracking began (October 7, 2026)).
Features
Compare models| Feature | Value | Since | Source |
|---|---|---|---|
| Function callingAlso called tool use. You describe functions; the model replies with a function name and arguments for your code to run, then uses the result. | Supported | in place when tracking began (October 7, 2026) | source |
| Batch APISend many requests as one job that runs in the background, usually finished within 24 hours, at a lower price than live requests. | Not supported | in place when tracking began (October 7, 2026) | source |
| Fine-tuningYou can train your own version of the model on your examples through the company's API, then call it like any other model. | Not supported | in place when tracking began (October 7, 2026) | source |
| Context windowThe most the model can work with in one request, in tokens: your prompt, conversation history and files. A token is about three-quarters of an English word. | 128,000 tokens | in place when tracking began (October 7, 2026) | source |
| Max output tokensThe longest reply the model can write in one response, in tokens. A token is about three-quarters of an English word. | 16,384 tokens | in place when tracking began (October 7, 2026) | source |
Not published by OpenAI: Structured outputs, Prompt caching, Image input, PDF input, Reasoning / thinking, Built-in web search, temperature parameter, top_p parameter, logprobs.
Price history
USD per 1M tokens, standard tierWe started recording this model's prices on Oct 1, 2026. The history grows with each daily check.
Show as a table
| From | Type | Price |
|---|---|---|
| Oct 1, 2026 | Input | $2.50 |
| Oct 1, 2026 | Output | $10.00 |
Prices
USD per 1M tokens, every type and band, by tier| Type | Modality | Price $/1M | In effect |
|---|---|---|---|
| Standard | |||
| input | audio | $32.00 | |
| input | text | $2.50 | |
| output | audio | $64.00 | |
| output | text | $10.00 | |
Changelog
Changes we detected on OpenAI's pagesNo changes recorded yet.
Counting to 7:00 pm ET on January 19, 2027, which is 00:00 UTC on January 20, 2027.
Email alerts
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Last checked · Sources: OpenAI deprecations, OpenAI pricing, OpenAI models