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Microsoft MAI-Transcribe Review

Frontier-lab accuracy STT delivered through Azure Speech

Among the 43 speech-to-text tools we track, Microsoft MAI-Transcribe has the 29th-widest language coverage.

See pricing

Facts verified Jul 20, 2026Try Microsoft MAI-Transcribe →

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What we know about Microsoft MAI-Transcribe

Microsoft MAI-Transcribe sits in the speech-to-text apis category, where it is frontier-lab accuracy STT delivered through Azure Speech. We keep this Microsoft MAI-Transcribe profile grounded in primary sources, each fact dated to when we last confirmed it.

Microsoft MAI-Transcribe does not publish a public per-minute rate we have been able to verify, so the price figure here stays blank until we can confirm one. We would rather show nothing than a guessed number; if you have a current Microsoft MAI-Transcribe quote, it is the fastest way for us to close that gap.

On capabilities, Microsoft MAI-Transcribe covers language auto-detection, custom vocabulary / keyterm boosting, and websocket streaming api. Each of those is verified against Microsoft MAI-Transcribe's own docs or dashboard, not marketing copy.

Placed against the 43 speech-to-text tools we track, Microsoft MAI-Transcribe's strongest showing is the 29th-widest language coverage - a spread worth weighing against your own priorities.

In total we track 12 verified facts for Microsoft MAI-Transcribe today, each linking the primary source it came from so you can check our work - and vendor claims we have not measured ourselves are labeled as such on the Microsoft MAI-Transcribe fact sheet below.

Reviewed by vsref Editorialfacts verified Jul 20, 2026Methodology →

Microsoft MAI-Transcribe pricing

Published rates: batch $0.006/min, verified Jul 20, 2026 (source).

Microsoft MAI-Transcribe cost at monthly volume tiers
Monthly volumeMonthly bill (batch)
1K min/moSide project$6
10K min/moProduction app$60
100K min/moCall-center scale$600

Sticker rates only; diarization and PII redaction add-ons price in the stack builder. How we compute costs →

Fact sheet

Pricing
Pricing facts
Batch price per audio minute0.006 $/audio-minJul 20
Pricing modelusageJul 20
Capabilities
Capabilities facts
WER (third-party benchmark)2.38 % WERJul 20
WER (vendor-claimed)~4.9 % WERJul 20
Languages supported43Jul 20
Language auto-detection✓ YesJul 20
Speaker diarization✗ Not availableJul 20
Custom vocabulary / keyterm boosting✓ YesJul 20
Build experience
Build experience facts
Official SDKsPython, JS, C#, Java, RESTJul 20
Max file size / duration300 MB per audio fileJul 20
Supported audio formatsWAV, MP3, FLACJul 20
Websocket streaming API✓ YesJul 20

Considering a switch? Best Microsoft MAI-Transcribe alternatives →

Voice agents in this stack

The engine is one layer: a voice agent hears through its transcription engine, but orchestration, telephony, and turn-taking come from the agent platform. Compare the platforms builders pair Microsoft MAI-Transcribe with: Pipecat, OpenAI Realtime API, Twilio ConversationRelay, or the full voice-agent comparison →

Want it done for you?

Microsoft MAI-Transcribe gets you a transcript; the bot that joins the call, labels speakers, and writes the summary is still your build. If that is more pipeline than you want to own, AI meeting notetakers do the whole job end to end: Otter.ai, Fireflies.ai, Fathom, or the full notetaker comparison.