MAI-Voice-2.1

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. Your use is subject to Microsoft AI's Terms & Privacy Policies.

Input price: Input $22, Per 1M characters

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import { experimental_generateSpeech as generateSpeech } from 'ai';
import { gateway } from '@ai-sdk/gateway';
import { writeFile } from 'node:fs/promises';

const result = await generateSpeech({
  model: gateway.speechModel('microsoft/mai-voice-2.1'),
  text: 'Hello from the Vercel AI Gateway!',
  voice: 'en-US-Harper',
});

await writeFile('speech.mp3', result.audio.uint8Array);

Read docs

Overview Playground Providers Similar

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Try out MAI-Voice-2.1 by Microsoft AI. Usage is billed to your team at API rates. Free users (those who haven't made a payment) get $5 of credits every 30 days.

MAI-Voice-2.1

Text

The text the model will read aloud.

Voice

Your generated audio will appear here

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Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.

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