Does Microsoft dictation use AI?

Yes. Microsoft's dictation uses trained speech models, so it is AI in the technical sense. Of the Microsoft features checked, only fluid dictation on Copilot+ PCs is described as using a language model to rewrite what you say. The answer depends on which Microsoft tool you mean, so the sections below take them one at a time. The Microsoft pages checked are current at the date above, and Microsoft updates them between releases.

Windows voice typing uses Azure Speech services

Microsoft's name for the Windows feature is voice typing. Its help page says voice typing uses online speech recognition, which is powered by Azure Speech services ¹. Its privacy page says the same thing: voice typing converts speech to text using online speech recognition ². The privacy page also describes the cloud path as using Microsoft cloud-based services for more accurate recognition ³. Microsoft does not say how much more accurate it is.

A cloud recognizer is still a trained model, so it counts as AI in the technical sense. On the pages above, it transcribes. Neither page describes a rewrite of your text.

Office dictation needs a connection, and its page does not name the recognizer

Dictation in Office apps needs a microphone and a reliable internet connection ⁴. The page does not say which recognizer Office uses, so this guide does not assume it is the same engine as Windows voice typing. What it does tell you is that Office dictation depends on a connection. Copilot dictation is a separate product that transcribes your speech into text in real time ⁵.

Fluid dictation is the one feature described as rewriting

Fluid dictation is the Microsoft feature that changes wording. Microsoft says it automatically corrects grammar, punctuation and filler words as you speak ⁶, and that the experience is powered by on-device small language models ⁷.

It has a hardware requirement. Fluid dictation is a new feature of Voice Access on Copilot+ PCs, so it is not available on every Windows PC ⁸. On a PC without that label, expect plain transcription rather than a rewrite.

Which Microsoft feature does what

A "not described" cell means the page did not say, so it does not prove the feature is free of rewriting. Check the settings on your own PC before you rely on the answer.

What to do if you need to know

1. Find the feature name. Voice typing, Office dictation, Copilot dictation and fluid dictation are different entries. Confirm which one you open.
2. Check your hardware. If you want fluid dictation, confirm your PC is a Copilot+ PC before you look for the setting.
3. Check your data rules. Cloud recognition sends audio to Microsoft's cloud services ³, so check your employer's or client's data policy, not only its AI policy.
4. Keep a record if a policy asks. Note the feature, the setting and whether a rewrite was on.

For the Windows side in detail, read the guide to Windows voice typing. The overview of whether speech to text is AI explains why a recognizer counts as AI. For the other side of the comparison, read the question on Google voice typing, and the question on whether speech to text is generative AI for the difference between transcribing and rewriting. For dictation that runs on your own computer, Yap, which we make, is an on-device dictation app for Mac and Windows.