---
id: "microsoft/mai-voice-2.1-flash"
also: ["microsoft/mai-voice-2.1-flash-20261001", "vercel/microsoft/mai-voice-2.1-flash"]
cheapest_list_usd_per_m: "15.0 in, 0.0 out, at azure on openrouter"
cheapest_effective_usd_per_m: "15.0 in, 0.0 out, at azure on vercel"
context: 0
max_output: 0
input: ["text"]
output: ["speech"]
released: "2026-10-01"
api: ["/api/v1/audio/speech"]
params: ["max_tokens", "stop", "temperature"]
endpoints: 2
gateways: "openrouter (1), vercel (1)"
no_training: 2
trains: 0
retains_prompts: 0
---
# Microsoft AI: MAI-Voice-2.1-Flash

MAI-Voice-2.1-Flash is a text-to-speech model built for fast, low-latency generation. It produces high- fidelity, natural, and expressive speech across 23 languages and supports gated instant voice cloning, all while being optimized for real-time responsiveness. Its human-like intonation, rhythm, and emotional nuance make it ideal for voice agents, assistants, and other interactive scenarios where latency and cost are critical.