GPT Audio Mini
Fast and lightToolsOpenAI · Released January 2026
A cost-efficient version of GPT Audio. The new snapshot features an upgraded decoder for more natural sounding voices and maintains better voice consistency.
It is part of OpenAI's GPT family, where GPT-6 Astra leads, GPT-6 Sol and GPT-6 Luna cover the capability and speed tiers below it, the GPT-5.6 generation sits behind them, and Pro servings trade speed for deeper computation.
Facts and pricing
- Provider
- OpenAI
- Context window
- 128K tokens
- Input price
- 7.2 credits / 1M tokens ($0.60 raw)
- Output price
- 28.8 credits / 1M tokens ($2.40 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 1.20x margin. Raw prices shown per 1M tokens.
Zeplik reads text aloud
Zeplik reads text aloud with xAI TTS, a different engine doing the same job. GPT Audio Mini itself is not one of the engines Zeplik runs.
What GPT Audio Mini is best for
- High-volume everyday tasks where speed and cost matter: summaries, drafts, quick questions
- Tool use and agents: reliably calls functions, so it can search, run skills and drive workflows
Example prompts
Prompts that suit a fast and light model like GPT Audio Mini:
- Summarize this article in five bullet points
- Rewrite this email to be shorter and friendlier
- Give me ten name ideas for a hiking newsletter
- Translate this paragraph to Spanish and keep the tone
OpenAI family
| Model | Context | Input cr/M | Output cr/M | Released |
|---|---|---|---|---|
| GPT-6.1 Terra Pro | 1.1M | 12.0 | 60.0 | October 2026 |
| GPT-6.1 Terra | 1.1M | 12.0 | 60.0 | October 2026 |
| GPT-6.1 Sol Pro | 1.1M | 24.0 | 120 | September 2026 |
| GPT-6.1 Sol | 1.1M | 24.0 | 120 | September 2026 |
| GPT-6 Luna Pro (batch) | 1.1M | 0.60 | 3.0 | September 2026 |
| GPT-6 Luna Pro | 1.1M | 1.2 | 6.0 | September 2026 |
| GPT-6 Luna | 1.1M | 1.2 | 6.0 | September 2026 |
| GPT-6 Luna (batch) | 1.1M | 0.60 | 3.0 | September 2026 |
| GPT-6 Sol Pro (batch) | 1.1M | 12.0 | 60.0 | September 2026 |
| GPT-6 Sol Pro | 1.1M | 24.0 | 120 | September 2026 |
Model comparisons
- Claude Opus 5.5 vs GPT-6 Astra
- Claude Opus 5.5 vs GPT-6 Sol
- GPT-6 Sol vs GPT-5.6 Sol
- GPT-6 Sol vs GPT-6 Astra
Frequently asked questions
- What is GPT Audio Mini?
- GPT Audio Mini is an AI model by OpenAI. A cost-efficient version of GPT Audio. The new snapshot features an upgraded decoder for more natural sounding voices and maintains better voice consistency.
- How much does GPT Audio Mini cost on Zeplik?
- Input tokens cost 7.2 credits per million and output tokens 28.8 credits per million (1 credit = $0.10; the raw provider rates are $0.60 and $2.40 per million). New accounts start with free credits.
- How long can a conversation with GPT Audio Mini be?
- GPT Audio Mini has a 128K-token context window (128,000 tokens), which covers the conversation plus any documents you attach.
- Does GPT Audio Mini support images and tools?
- GPT Audio Mini is text-only and supports tool calling.
Related models
GPT-6.1 Terra Pro is the same underlying model as [GPT-6.1 Terra](https://openrouter.ai/openai/gpt-6.1-terra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks.
GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol.
GPT-6.1 Sol Pro is the same underlying model as [GPT-6.1 Sol](https://openrouter.ai/openai/gpt-6.1-sol), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks.
GPT-6.1 Sol is an upgrade to GPT-6 Sol from OpenAI, positioned below the flagship GPT-6 Astra in the GPT-6 series.
GPT-6 Luna Pro is the same underlying model as [GPT-6 Luna](https://openrouter.ai/openai/gpt-6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
GPT-6 Luna Pro is the same underlying model as [GPT-6 Luna](https://openrouter.ai/openai/gpt-6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
More you can do with GPT Audio Mini
- 468 AI skillsReady-to-run expert methods for writing, data, code and more, each running on GPT Audio Mini or any model you pick.
- 997 integrationsConnect Gmail, Slack, GitHub, Notion and hundreds more so the assistant can work in your apps.
- Simple pricingPlus, Pro and Max plans with a monthly credit allowance that works across every model.