MAI-Voice-2.1-Flash from
@MicrosoftAI is live on OpenRouter.
MAI-Voice-2.1-Flash is optimized for speed and scale:
• Low-latency generation. Can generate 45s of audio within 150ms.
• Natural, expressive speech with human-like intonation.
• Same voice can speak in 23 languages while maintaining native accent.
• $15 per 1M characters
Built for voice agents, assistants, call centers, and other real-time experiences.