Antimatter
OpenAI

GPT Audio

openai/gpt-audio

The gpt-audio model is OpenAI's first generally available audio model.

$2.75 in · $11.00 out per 1M tokens128k contextJan 19, 2026

about 0.7¢ a message

A typical message: about 500 tokens you send and 500 it writes.

Chat with GPT Audio
Call it from codeLock this price

Spec sheet

Published facts from the catalog, billed prices and what we measured here. Anything not measured says so.

Price, billed here

Input, per 1M tokens
$2.75provider $2.50
Output, per 1M tokens
$11.00provider $10.00
Margin
+10%

Context and formats

Context window
128,000 tokens
Longest answer
16,384 tokens
Reads
text and audio
Makes
text and audio
First listed
2026-01-19

Measured here, last 7 days

First token, median
not measured
Answered without error
not measured

Tools and JSON

Tool calling
declaredthe provider's claim, not yet measured here
JSON output
declaredthe provider's claim, not yet measured here

Price and latency history as JSON: GET /api/planet/history?id=openai/gpt-audio.

About

The gpt-audio model is OpenAI's first generally available audio model. The new snapshot features an upgraded decoder for more natural sounding voices and maintains better voice consistency. Audio is priced...

In OpenAI's words.

Try it here

The answer appears here.

Measured here

Call it

Use one OpenAI compatible endpoint, this model's id and an am_live_ key from the dashboard. You can also try it in chat first with no key.

curl https://useantimatter.com/v1/chat/completions \
  -H "Authorization: Bearer $ANTIMATTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "openai/gpt-audio", "messages": [{"role": "user", "content": "Hello"}]}'

Everything else is in the docs.

Embed this

A badge showing this model's live price per million tokens, as billed here, for a README or a site. It links back to this page.

GPT Audio price on Antimatter
<a href="https://useantimatter.com/planet/openai/gpt-audio"><img src="https://useantimatter.com/api/badge/price?id=openai%2Fgpt-audio" alt="GPT Audio price on Antimatter" height="28"></a>

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