Dictation for the Mac, written the way you would type it.

Detta turns speech into finished, formatted text in any app, with recognition running entirely on your Mac.

The Detta window on Home, with today's dictations

Numbers, dates and corrections, formatted as you speak.

Mail
JSTo: John Smith9:41

Send it to john.smith@gmail.com.

you said“send it to john dot smith at gmail dot com”
Slack
#team
M
you 9:42

Let's meet on Wednesday at noon.

you said“let's meet on tuesday no wednesday at noon”
Messages
PToday 9:44

The invoice is $2,500.

you said“the invoice is two thousand five hundred dollars”
Calendar
Oct
15
Launch · all day

The launch is on the 15th of October.

you said“the launch is on the fifteenth of october”
Notes
Planning

So basically we should ship it this week.

you said“um so basically we we should ship it this week”
Reminders
Today

The standup moves to 10:30 AM.

you said“the standup moves to ten thirty a m”
Q3 review — Numbers
C4
3.5%

Revenue grew 3.5% last quarter.

you said“revenue grew three point five percent last quarter”
Detta
Quick Note · kept on your Mac

The page is fermionresearch.com/detta.

you said“the page is fermion research dot com slash detta”
Phonon-2, built in

Phonon-2, built in

A 164 MB speech model with 5.21 % word error on the Open ASR Leaderboard, running at 174x realtime. Read about Phonon-2

Cleanup on the device

Cleanup on the device

Gluon removes fillers, repeated words and false starts before the text reaches your document.

Quick Notes for your agents

Quick Notes for your agents

A third tap saves a note with its recording and a screenshot, readable by AI agents you connect on the same Mac.

File transcription

File transcription

Audio and video files, from WAV and MP3 to MP4 and MOV, are transcribed by the same model.

Free for Macs with Apple silicon.

macOS 15 or later · Sign in with Google required · 709 MB download, about 1.1 GB installed · beta

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