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OpenKey

GPT Audio

OpenAIReleased Jan 19, 2026

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...

Try in playground
Context window
128K tokens
Max output
16K tokens
Input
text, audio
Output
text, audio
Tokenizer
GPT
Released
Jan 19, 2026

Pricing

Per 1M tokens. The provider price and our flat 3% fee are separate columns — what you pay is their sum.

Per 1M tokensProvider+ 3% feeYou pay
Input$2.50$0.075$2.58
Output$10.00$0.300$10.30

Supported parameters

  • frequency_penalty
  • logit_bias
  • logprobs
  • max_tokens
  • presence_penalty
  • response_format
  • seed
  • stop
  • structured_outputs
  • temperature
  • tool_choice
  • tools
  • top_logprobs
  • top_p

Call it

OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model openai/gpt-audio.

Code sample language
curl https://api.openkey.ai/v1/chat/completions \
  -H "Authorization: Bearer $OPENKEY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-audio",
    "messages": [{"role": "user", "content": "Hello"}]
  }'
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.openkey.ai/v1",
    api_key=os.environ["OPENKEY_API_KEY"],
)

completion = client.chat.completions.create(
    model="openai/gpt-audio",
    messages=[{"role": "user", "content": "Hello"}],
)
print(completion.choices[0].message.content)
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.openkey.ai/v1",
  apiKey: process.env.OPENKEY_API_KEY,
});

const completion = await client.chat.completions.create({
  model: "openai/gpt-audio",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);

Questions

How much does GPT Audio cost via API?
Through OpenKey, GPT Audio costs $2.58 per 1M input tokens and $10.30 per 1M output tokens. That is the provider price ($2.50 / $10.00) plus a flat 3% fee — nothing else.
What is GPT Audio's context window?
GPT Audio accepts up to 128K tokens of context and returns up to 16K tokens per request.
Is GPT Audio OpenAI-compatible?
Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "openai/gpt-audio" using any OpenAI SDK — only the base URL and API key change.
What inputs does GPT Audio support?
GPT Audio accepts text, audio input and produces text, audio output.

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