Latest release
Choose GPT-Audio-1.5
GPT-Audio-1.5 is the newer release (Feb 23, 2026, against Oct 6, 2025 for GPT-Audio Mini).
GPT-Audio-1.5 vs GPT-Audio Mini: price, context and capabilities
Choose GPT-Audio-1.5 for the latest release and the most recent knowledge; on the other points the two are level or the data is missing.
In short
- A price comparison is not possible: one of them has no comparable published price.
- Both accept 128k tokens per request.
- GPT-Audio-1.5 is the newer model (Feb 23, 2026, against Oct 6, 2025).
- Only GPT-Audio-1.5 offers tool calling.
Which should you choose?
Each answer below comes straight from the published prices, specifications and independent benchmark results.
Most recent knowledge
Choose GPT-Audio-1.5
GPT-Audio-1.5 was trained on data up to September 2024, against October 2023 for GPT-Audio Mini.
Specifications side by side
| GPT-Audio-1.5 | GPT-Audio Mini | |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Category | Voice and realtime | Voice and realtime |
| Status | Generally available | Deprecated |
| Headline price | $32.00 / 1M audio tokens | No data |
| Context window | 128k | 128k |
| Max output | 16k | 16k |
| Released | Feb 23, 2026 | Oct 6, 2025 |
| Knowledge cutoff | September 2024 | October 2023 |
| Licence | Proprietary | Proprietary |
| Capabilities | Audio input, Tool calling | Audio input |
| API model id | gpt-audio-1.5 | gpt-audio-mini |
Frequently asked questions
Should I choose GPT-Audio-1.5 or GPT-Audio Mini?
Choose GPT-Audio-1.5 for the latest release and the most recent knowledge; on the other points the two are level or the data is missing.
Which is cheaper, GPT-Audio-1.5 or GPT-Audio Mini?
A price comparison is not possible: one of them has no comparable published price.
Which has the larger context window, GPT-Audio-1.5 or GPT-Audio Mini?
Both accept 128k tokens per request.
What is the difference between GPT-Audio-1.5 and GPT-Audio Mini?
GPT-Audio-1.5 is made by OpenAI and GPT-Audio Mini by OpenAI. A price comparison is not possible: one of them has no comparable published price. Both accept 128k tokens per request. GPT-Audio-1.5 is the newer model (Feb 23, 2026, against Oct 6, 2025). Only GPT-Audio-1.5 offers tool calling.
Which is newer, GPT-Audio-1.5 or GPT-Audio Mini?
GPT-Audio-1.5 was released on Feb 23, 2026 and GPT-Audio Mini on Oct 6, 2025.