comma.ai — make driving chill
Buy it, plug it in, and engage. comma four works with the car you already drive. It's active driver assistance for your Toyota, Hyundai, Ford, and more.
comma.ai — make driving chill
openpilot supports 325+ vehicles A supported vehicle is one that just works when you install a comma four. All supported cars provide a better experience than any stock system. Supported vehicles …
comma.ai — make driving chill
04 Open source and community supported openpilot is developed by comma and by users like you. We welcome both pull requests and issues on GitHub. Bug fixes and new car ports are strongly …
comma.ai — make driving chill
Hire the comma openpilot team to add dedicated support for a new make or model vehicle that has electronically controllable gas, brake, and steering. We will work until the port is upstreamed, or on a …
comma.ai — make driving chill
An AI upgrade for your car
comma.ai blog
Feb 3, 2026 · Introducing the comma four November 25, 2025 2 minute read Our smallest and most powerful device, available now for $999
comma.ai — make driving chill
Does installing a comma device require permanent modifications to the car? How do I mount my comma device? Will installing a comma device void my warranty? Will my insurance cover my car with a …
comma.ai — make driving chill
Remove the rearview mirror cover trim Removal method varies by car. The durable plastic often requires a strong tug to pop it off on Hondas. Toyotas often need a slide outward. If you'd like to see how it's …
comma.ai — make driving chill
Buy it, plug it in, and engage. comma four works with the car you already drive. It's active driver assistance for your Toyota, Hyundai, Ford, and more.
comma.ai — make driving chill
connect.comma.ai See your recorded drives online. comma connect is an app that lets you manage your openpilot experience. Recordings of your drives will upload to connect where they will be stored for 3 …