GPT Audio

OpenAI · Released January 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...

It is part of OpenAI's GPT family, where Sol, Luna and Terra mark the current generation's capability tiers and Pro servings trade speed for deeper computation.

Facts and pricing

Provider

OpenAI

Context window

128K tokens

Input price

27.5 credits / 1M tokens ($2.50 raw)

Output price

110 credits / 1M tokens ($10.00 raw)

Vision (image input)

No

Tool calling

Yes

Extended reasoning

No

Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.10x margin. Raw prices shown per 1M tokens.

What GPT Audio is best for

• Hard problems where answer quality matters more than cost: strategy, analysis, difficult writing
• Tool use and agents: reliably calls functions, so it can search, run skills and drive workflows

Example prompts

Prompts that suit a frontier model like GPT Audio:

• Review this business plan and give me the three hardest questions an investor would ask
• Rewrite this announcement so it lands with both engineers and executives
• I am choosing between two job offers, help me think through the tradeoffs
• Draft a technical design doc for a rate limiter, including failure modes

OpenAI family

All 90 OpenAI models

Frequently asked questions

What is GPT Audio?

GPT Audio is an AI model by OpenAI. 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...

How much does GPT Audio cost on Zeplik?

Input tokens cost 27.5 credits per million and output tokens 110 credits per million (1 credit = $0.10; the raw provider rates are $2.50 and $10.00 per million). New accounts start with free credits.

How long can a conversation with GPT Audio be?

GPT Audio has a 128K-token context window (128,000 tokens), which covers the conversation plus any documents you attach.

Does GPT Audio support images and tools?

GPT Audio is text-only and supports tool calling.

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