npm install @mastra/voice-modelslab

import { ModelsLabVoice } from '@mastra/voice-modelslab';

const voice = new ModelsLabVoice({
  speechModel: {
    apiKey: process.env.MODELSLAB_API_KEY,
  },
  speaker: '5', // Female voice
});

// Text to speech
const audioStream = await voice.speak('Hello, world!', {
  speaker: 'nova', // OpenAI-style voices also work: alloy, echo, fable, onyx, nova, shimmer
  language: 'english',
  speed: 1.0,
});

// List available voices
const speakers = await voice.getSpeakers();