Model index
Microsoft AI·MAI Speech

MAI-Voice-2.1

Microsoft AI’s multilingual text-to-speech model, supporting 23 languages across 26 locales while retaining the same voice across languages.

CurrentLanguageMultimodal

Launched by Microsoft on 2026-10-01; available through Microsoft Foundry, MAI Playground, OpenRouter, Vercel, and Azure Voice Live.

MODEL NUMBER048
First public date
2026-10-01
Organization
Microsoft AI
Family
MAI Speech
01

Specifications

Only published specifications are shown.

Input modalities
Text↗
Output modalities
Audio↗
Status
Current↗
02

Overview

Release dates

— Microsoft launched MAI-Transcribe-2-Streaming for real-time transcription, along with the multilingual MAI-Voice-2.1 and its low-latency Flash variant. ↗

Why it mattered

MAI-Voice-2.1 advances Microsoft’s speech generation to multilingual synthesis that preserves a consistent voice across languages.

03

Architecture & capabilities

Model capabilities

Audio generationMultilingualVoice cloning
04

Release history

API launch

Microsoft launched MAI-Transcribe-2-Streaming for real-time transcription, along with the multilingual MAI-Voice-2.1 and its low-latency Flash variant.

View source
05

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06

Sources

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