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MAI-Voice-2.1

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Microsoft AI's text-to-speech model for keeping one voice across 23 languages, with voice cloning from short audio

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TrustList summary

MAI-Voice-2.1 is a text-to-speech model from Microsoft AI, released on 1 October 2026. It speaks in 23 languages and 26 locales with one voice, so a brand or assistant can keep the same sound while switching language. The voice can be cloned from a few seconds of reference audio.

What MAI-Voice-2.1 offers

  • Multilingual speech: spoken output in 23 languages and 26 locales, with one voice that keeps a native accent in each.
  • Voice cloning: a voice copied from a few seconds of reference audio and carried across all supported languages.
  • Consent guardrails: built-in checks that Microsoft says are meant to prevent misuse of cloned voices.
  • Access: Microsoft Foundry, the MAI Playground, Vercel, Azure Voice Live and OpenRouter all carry it.

Customers and markets

The model is pitched at brands and assistants that want one voice while switching language mid-conversation. The quality claims are Microsoft's own, and the model is not open for download.

Key facts

  • Released: 1 October 2026
  • Developer: Microsoft AI
  • Weights: not published

Summary written by TrustList from the business's own published information, Oct 2026.

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Trust Score

4/ 100
Trust Score: New

An earned signal from verification, reviews, awards, transparency and engagement - the vendor can't buy it.

Verification
0/100 · 20%
Reviews
0/100 · 30%
Awards
0/100 · 15%
Transparency
18/100 · 20%
Engagement
0/100 · 15%
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Updated 10/4/2026

What the business tells TrustList

Founded
2026 (0 years) evidence sent

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