GPT-4o Mini TTS vs Voxtral TTS: price, context and capabilities

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.

In short

  • 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).

Open in the full comparison table

Which should you choose?

Each answer below comes straight from the published prices, specifications and independent benchmark results.

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.

Latest release

Choose Voxtral TTS

Voxtral TTS is the newer release (March 2026, against Mar 20, 2025 for GPT-4o Mini TTS).

Specifications side by side

GPT-4o Mini TTSVoxtral TTS
ProviderOpenAIMistral AI
CategoryText to speechText to speech
StatusGenerally availableLegacy
Headline price$12.00 / 1M audio tokensNo data
Context windowNo dataNo data
Max outputNo dataNo data
ReleasedMar 20, 2025March 2026
Knowledge cutoffNo dataNo data
LicenceProprietaryOpen weights
CapabilitiesNo dataNo data
API model idgpt-4o-mini-tts

Frequently asked questions

Should I choose GPT-4o Mini TTS or Voxtral 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.

Which is cheaper, GPT-4o Mini TTS or Voxtral TTS?

A price comparison is not possible: one of them has no comparable published price.

What is the difference between GPT-4o Mini TTS and Voxtral TTS?

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).

Which is newer, GPT-4o Mini TTS or Voxtral TTS?

Voxtral TTS was released on March 2026 and GPT-4o Mini TTS on Mar 20, 2025.