Self-hosting and data control
Choose Voxtral TTS
Voxtral TTS has open weights, so you can run it on your own servers; GPT-4o Mini TTS is only available through its provider.
Choose Voxtral TTS for self-hosting and data control and the latest release; on the other points the two are level or the data is missing.
Each answer below comes straight from the published prices, specifications and independent benchmark results.
Choose Voxtral TTS
Voxtral TTS has open weights, so you can run it on your own servers; GPT-4o Mini TTS is only available through its provider.
Choose Voxtral TTS
Voxtral TTS is the newer release (March 2026, against Mar 20, 2025 for GPT-4o Mini TTS).
| GPT-4o Mini TTS | Voxtral TTS | |
|---|---|---|
| Provider | OpenAI | Mistral AI |
| Category | Text to speech | Text to speech |
| Status | Generally available | Legacy |
| Headline price | $12.00 / 1M audio tokens | No data |
| Context window | No data | No data |
| Max output | No data | No data |
| Released | Mar 20, 2025 | March 2026 |
| Knowledge cutoff | No data | No data |
| Licence | Proprietary | Open weights |
| Capabilities | No data | No data |
| API model id | gpt-4o-mini-tts |
Choose Voxtral TTS for self-hosting and data control and the latest release; on the other points the two are level or the data is missing.
A price comparison is not possible: one of them has no comparable published price.
GPT-4o Mini TTS is made by OpenAI and Voxtral TTS by Mistral AI. A price comparison is not possible: one of them has no comparable published price. Voxtral TTS is the newer model (March 2026, against Mar 20, 2025).
Voxtral TTS was released on March 2026 and GPT-4o Mini TTS on Mar 20, 2025.