Mouthing.aiSilent speech, reported

Speech, without the sound.

Independent reporting on silent-speech technology: the glasses, wearables, sensors and brain interfaces that turn unspoken words into text. Every product is labeled by what you can actually buy today.

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Silent speech isn't necessarily private: what Subvocal's cloud processing means

The YC-backed startup's glasses let you dictate without making a sound, but the founder says decoding happens in the cloud and the product needs internet. Its published privacy policy does not yet cover speech data.

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Subvocal at a glance

Stage
Preorder
Price
$499 early bird
Deposit
$199, refundable
Subscription
About $20/mo planned for unlimited (founder)
Regions
US only, no Europe date
Ships
Est. Q1 2027
Sensing
Radio (RF), no cameras
Processing
Cloud, needs internet
Languages
English only
Privacy notice
Not yet published
Evidence
Company claims only
Checked
Nov 9, 2026

What stage is it really at?

Most silent-speech headlines describe lab results or reservations, not products in stores. We use four stages so you never confuse the two.

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Research

Published or presented by a lab. Nothing to buy or reserve.

Prototype

A working demo exists, usually from a company. No public way to pay for one.

Preorder

You can pay a deposit or full price now. The product has not shipped yet.

Shipping

Finished units are being delivered to paying customers.

Our tracker currently lists 14 entries. None of them are a finished silent-speech product you can buy today.

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All explainers

What is silent speech? How it works, and what you can actually buy

A plain guide to the technology that turns unspoken words into text: the sensing methods, who it helps, how to read accuracy claims, and what is really on sale.

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