Your AI. Your Mac. Your Rules.
No cloud. No subscriptions. No data leaving your Mac.
Hold Space to talk. SUNDAY listens, thinks, and responds in under one second.
Whisper, Kokoro, and Ollama run on your Mac. No cloud APIs. No data leaves your machine.
Calendar, mail, notes, web search, file search, and shell access. SUNDAY acts on your behalf.
Say the wake word to activate. Speaker verification ensures only your voice triggers it.
Ask what you're looking at. SUNDAY sees through your camera and reasons about it.
Holographic HUD, mechanical startup sounds, and a physically responsive particle orb.
Install SUNDAY.app from DMG
Models download automatically on first launch (~8 GB)
Hold Space and ask anything
All models run locally via Apple Silicon acceleration. Total disk footprint is roughly 8–9 GB.
| Component | Technology | Size |
|---|---|---|
| Speech-to-Text | MLX-Whisper large-v3 | ~3 GB |
| Language Model | Ollama (Qwen 3 8B default) | ~5 GB |
| Text-to-Speech | Kokoro 82M (af_bella voice) | ~340 MB |
| Voice Activity | silero-vad | ~2 MB |
| Wake Word | openWakeWord | ~5 MB |
| Speaker ID | speechbrain ECAPA-TDNN | ~83 MB |
| Browser | Playwright (Chromium) | ~300 MB |
Download the beta and start talking to your Mac.
Download for macOSSUNDAY is completely free while in beta. All models run locally on your hardware, so there are no API costs and no usage limits. A future Pro tier may offer cloud-augmented features, but the core local experience will always be free.
Get Started Free