Juno

A local-first Mac voice layer that turns natural speech into polished writing, native insertion, and simple actions.

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Local models Native Mac Open source

Speech Whisper large-v3-turbo Writing Qwen3-4B Instruct Correction Qwen3-0.6B

Listening 01:18

Speak the rough version. Juno turns it into clean text inside the app you already have open.

CR-04 Coming soon

Meeting notes

Chippy

Record meetings on iPhone or Apple Watch. Review the saved transcript and editable speaker turns on iPhone.

Audio and transcripts stay on your devices. No meeting bot or Chippy account.

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CR-01

Juno Voice layer

Local speech, final formatting, selected-text edits, and native app insertion for Mac.

Get Juno Juno Blog Juno Docs

Turns a San Francisco AI co-working dataset into a tiny 3D platformer map.

Maps text, audio, and video to population-level cortical response patterns.

CR-04 Coming soon

Chippy Meeting notes

Record on iPhone or Apple Watch, then review the saved transcript and speaker turns on iPhone.

Cassini partners with AWS, Antler, Walnut AI, Llama Ventures, and Fusion Fund to host AI Startup Pitch Night.

A technical note on why live transcription is a trust system: partial hypotheses, tail quarantine, local context, privacy gates, and final delivery.

A technical walk through Juno's local runtime, live HUD path, finalization lanes, native insertion model, and privacy gates.

Juno is a local-first, open-source voice layer for Mac with live voice input, screen context, rewrites, formatting, and simple actions.