OpenRouter

Microsoft: MAI Voice 2 Flash

microsoft/MAI-Voice-2-Flash
Context

N/A

Input

text

Output

audio

Tool calling

Not listed

OverviewProvidersPricingBenchmarksAPI and quickstartReviews

About this model

MAI-Voice-2-Flash is Microsoft's ultra-fast, low-latency, high-fidelity expressive text-to-speech model optimized for real-time conversational voice applications. It provides natural and expressive speech generation with granular emotion control, multilingual synthesis, zero-shot voice prompting from short reference audio, and high speaker fidelity while prioritizing responsiveness. The model is designed for latency-sensitive applications including call-center agents, AI voice assistants, IVR systems, conversational agents, customer support, and other interactive speech experiences where rapid speech generation is critical.

Compare Text-to-Speech ModelsCompare Audio Models

Input modalities

text

Accepted as model input

Providers

Available routing options for this model through OneInfer.

OpenRouter
Available

Text to speech

$15.000 / 1M characters

Routing

OneInfer optimized

Pricing

Current OneInfer pricing for this model.

UsagePrice
Text to speechTTS$15.000 / 1M characters

Performance & Benchmarks

Independent evaluations and live cluster operational metrics

We haven’t measured this model yet.

API Guide

API docs
  1. 1

    Generate your access token

    Use your API key to generate the JWT access token required by the Models API.

  2. 2

    Add the JWT token

    Copy the generated JWT token and replace JWT_TOKEN in the example below.

  3. 3

    Check your credits

    If your balance is too low, before calling the model.

  4. 4

    Run the API example

    Choose your preferred language, copy the example, and send your first model request.

    curl -X POST https://api.oneinfer.ai/v1/ula/generate-audio \
  -H "Authorization: Bearer YOUR_JWT_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
  "provider": "openrouter",
  "model": "microsoft/MAI-Voice-2-Flash",
  "prompt": "OneInfer makes AI inference simple.",
  "stream": false,
  "voice_id": "English_expressive_narrator",
  "format": "mp3"
}'

Community Model Reviews & Ratings

Verified visitor & developer evaluations on Microsoft: MAI Voice 2 Flash's real-world intelligence, code accuracy, and speed

4.8
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