On-device dictation for Mac

Private dictation.On your Mac.

Turn speech into finished text in your Mac apps. Recognition and cleanup stay local, with offline dictation after setup. Use Command to ask about files, screens, and web pages.

Get started
  • Dictation or Command
  • Your context, on your Mac
  • 0 KB dictation audio uploaded

I — Wake

Wake the silicon you already own.

The Neural Engine you already paid for—finally earning it. No cloud round trip, ever.

Local computeNeural Engine + GPU
Decode · measured7.8×
Dictation audio uploaded0 KB

II — Route

99 languages. Each one engineered, not just supported.

Benchmarked per language, routed mid-sentence, memory kept in check.

Language routes99 + Auto
Mixed-language speechoptimized mid-sentence
Engines in memoryloaded on demand

III — Grow

Mount anything. It grows with you.

Files, pages, screenshots, selections—into whatever you send or ask. Every result returns as private context.

Mountfiles · web · screenshots · selection
Send or askone capsule
History + Librarycompounds on this Mac

Browse like your brain works. Send like you planned it.

You, out loud“Three coffee blogs deep. Pick the best three and write Mark a plan—before I open a fourth.”

The numbers behind the journey.

Three product decisions, measured by outcome.

All engineering notes
Engineered per language

Every language, measured to win.

Engines are benchmarked per language, with mixed-language speech optimized in the same routing system.

中文 · ES · DE · FR avg −68%
Speed, honestly earned

Same accuracy. Less waiting.

Speed only counts after the measured error rate ties.

English 7.8× · Italian 2.4×
Private by architecture

The cloud is not in the path.

Recognition, cleanup, translation, Library—everything lives on this Mac.

No cloud in the dictation path

Controlled synthetic-speech benchmarks on Apple M1 Max, identical audio per engine. 68% is the unweighted mean for Chinese, Spanish, German, and French. Real-world results vary.

One voice enters.Two flywheels send it back.

Follow one complete take at a time. Both routes end by feeding the next one: corrections compound into your recognition dictionary, and every result lands in History and Library—private, on this Mac, mountable anywhere. The more you use Alder, the more it is yours.

Dictation — writeCommand — work with context
Voice enters

One shortcut · any app

Prepare speech

Clean signal · route language

Mounted context

Files · web · screenshots · selection · History · Library

Choose route

One route per take

Dictation selected
Local draft

Speech → text

Refine

Meaning · vocabulary

At your cursor

Focus verified

Instruction + context

Text · images

Understand + act

Ask · transform · plan

Result

Visible · recoverable

↻ Corrections compound into your dictionary↻ Results become private, mountable context
Essential Q&A

Before you download.

Your voice. Your context. Your Mac.

Private dictation, Command, and your context—on your Mac.

Get started

macOS 14+ · M1 or newer · 8 GB RAM

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