MAI-Voice-2.1

microsoft/mai-voice-2.1

A text-to-speech model, at $23.10 per million characters.

Details

Maker: microsoft
Kind: Speech
Price: $23.10 per million characters
Capabilities: None listed
Takes: Text
Returns: Audio
Zero data retention: Yes, on every provider
No training on requests: Yes, on every provider
Released: 2026-10-01

Description

MAI-Voice-2.1 is our highest-fidelity, most expressive text-to-speech model, delivering rich, natural speech across 23 languages. It extends the MAI-Voice family with broad multilingual coverage, gated instant voice cloning, and strong long-form generation capabilities. With its detailed prosody, nuanced expressiveness, and studio-grade audio quality, MAI-Voice-2.1 is ideal for experiences where maximum voice quality and fidelity are required - long-form narration, brand-defining audio etc.

Call it

curl

curl https://phantom.codes/v1/audio/speech \
  -H "Authorization: Bearer $PHANTOM_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "microsoft/mai-voice-2.1",
    "input": "Hello from Phantom"
  }' \
  --output speech.mp3

Set PHANTOM_KEY to your key. Any OpenAI client works with the base URL https://phantom.codes/v1.

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