Features
- Adds open-source driver assistance to existing cars with the comma four device
- Provides lane centering, adaptive cruise control and lane changes
- Experimental Mode handles stop signs, traffic lights and city streets
- Monitors the driver with an infrared in-cabin camera
- Supports 325+ vehicles through plug-and-play harnesses
- Delivers over-the-air updates
- Records drives as a dashcam and shows location and snapshots via comma connect
Pricing Details
💵 Pricing (April 2026 Status) The cost consists of a one-time hardware purchase and an optional (but recommended) monthly connectivity subscription. Item Price (Approx.) Key Features comma four $999 The main AI computer; 360° cameras; 128GB storage; Mount included. Car Harness ~$200 Vehicle-specific cable to "plug" the device into your car's camera/OBDII. comma prime $24 / mo 4G LTE Data; 1 year of drive storage; Remote snapshots; Live location. comma prime lite $10 / mo No data (bring your own SIM); Full Prime features; 1 year storage. 🎁 Trial Period: Comma offers a 30-day money-back trial. You can install it, take it on a few highway trips, and if it doesn't "wow" you, you can return the hardware for a full refund.