MAI Voice 2.1

Name: MAI Voice 2.1
Author: Microsoft

NEW

by Microsoft

Microsoft's newest expressive MAI Voice, served via Azure AI Foundry.

MAI Voice 2.1 renders more natural, more expressive speech than MAI Voice 2 across English, Spanish, French, and German with adjustable speed and expressive speaking styles per voice. Serves through OpenRouter's speech API.

More details

MAI Voice 2.1 by Microsoft is a standard-speed AI text-to-speech model. MAI Voice 2.1 renders more natural, more expressive speech than MAI Voice 2 across English, Spanish, French, and German with adjustable speed and expressive speaking styles per voice. Serves through OpenRouter's speech API. Key capabilities include 278 voices across 12 languages, emotion control, up to 4,096 characters per request.

MAI Voice 2.1 is priced at $0.03 per 1,000 characters of input text. You can generate speech with MAI Voice 2.1 on idapt.app alongside 200+ AI models in one workspace.

Voices

4 · 4 languages

Any of these voices can be paired with MAI Voice 2.1. Pick a model for quality and speed, a voice for character and language.

Harper

English · Male

Valeria

Spanish · Female

Soleil

French · Female

Klaus

German · Male

Pricing

Cost per 1,000 characters

$0.03

Typical paragraph (~500 chars)

$0.01

Billed on input text length

Capabilities

Speed

Standard: Balanced latency & quality

Emotion Control

Steer happy / sad / angry / neutral delivery

Max Input

4,096 characters per request

Voices

4 voices · 4 languages

Generate speech with MAI Voice 2.1 View Details

Compare MAI Voice 2.1 with

Seed Audio 1.0ByteDance Seed

GPT-4o Mini TTSOpenAI

Grok Voice TTSxAI

Gemini 3.8 Flash TTSGoogle AI Studio

Gemini 3.1 Flash TTS PreviewGoogle AI Studio

Speech 2.8 HDMiniMax

Frequently Asked Questions

Who created MAI Voice 2.1?

MAI Voice 2.1 was created by Microsoft.

How much does MAI Voice 2.1 cost?

MAI Voice 2.1 costs $0.03 per 1,000 characters of input text. A short paragraph of roughly 500 characters costs about $0.01.

How fast is MAI Voice 2.1?

MAI Voice 2.1 is classified as a "standard" speed model. It balances synthesis latency and audio quality for general-purpose use.

What voices and languages does MAI Voice 2.1 support?

MAI Voice 2.1 supports 278 curated voices spanning 12 languages, including English, Chinese, Korean, Japanese, Spanish, and Portuguese. Every voice in the catalog can be used with this model.

Does MAI Voice 2.1 support emotion control?

Yes, MAI Voice 2.1 supports emotion control. You can steer the delivery toward tones such as happy, sad, angry, or neutral for more expressive speech.

How much text can MAI Voice 2.1 synthesize at once?

MAI Voice 2.1 accepts up to 4,096 characters of input text per request. Longer documents are split automatically across multiple requests.

How does MAI Voice 2.1 compare to other TTS models?

MAI Voice 2.1 is one of several text-to-speech models available on idapt. Compare it with Seed Audio 1.0, GPT-4o Mini TTS, Grok Voice TTS and more on the audio models directory.

Where can I use MAI Voice 2.1?

You can generate speech with MAI Voice 2.1 on idapt.app — in chat via the media tools, in hands-free voice mode, or through the public API. No separate API key required: idapt provides MAI Voice 2.1 alongside 200+ AI models in one professional workspace.

Generate speech with MAI Voice 2.1