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Cotypist

Local AI Autocomplete in your voice, anywhere on your Mac

Details

External ID
1172491
Source
PH
Company
—
Product
Cotypist
Website domain
producthunt.com
Launched
June 23, 2026
Cohort
—
Upvotes
322
Upvotes percentile
0.6826923076923077
Tags
Productivity, Writing, Artificial Intelligence
Fetched at
Sept. 7, 2026, 1:22 a.m.
Updated at
Sept. 7, 2026, 1:22 a.m.

Description

Cotypist is smart autocomplete for the Mac apps you already write in: Mail, Slack, Notes, docs, even AI prompts. Press Tab when a suggestion fits, or keep typing and watch it update in real time. Runs locally on your Mac. No cloud, no API calls.

Enrichment

Theme
ai voice dictation and transcription tools
Vertical
Horizontal
Function
Dev tools
Audience
Developer
AI stance
AI-native
Project type
Commercial product
Normalized one-liner
voice-based ai autocomplete for mac
Manually corrected
False

Could you build this?

Partial While wrapping a local SLM is straightforward, building an OS-wide accessibility-based injection system on macOS with sub-second ghost text overlay is technically challenging.

What it would actually take: A native Swift/Objective-C app using the macOS Accessibility API (AXUIElement) to track active text inputs, caret positions, and keystrokes across arbitrary third-party apps. It requires running a quantized local model (via MLX or llama.cpp) tuned for next-token autocomplete with strict latency constraints (<50ms), and custom Cocoa overlay windows to render inline completion ghost text.

Competitors

Other products that read as similar to this one — 57 launches clear the similarity bar, closest 8 shown.

Attention rank: #33 of 58 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).

Launched 90 days after the earliest competitor.

Other launches for this product

Same idea, different domain

Nobody's really built a dev tools tool for Sales yet.