Your car has more potential.
Let AI take some of the driving work.
More help with the commute. Less mystery about the tech. Discover what comma can add to a compatible car, and how it compares with the system you already have.

The car you own
Start with the exact model and year.
AI on board
Learn what the device and software do.
A drive you supervise
Assistance with steering and supported speed control.
Curious? Start here.
Big ideas. Plain English.
A smarter drive. In the car you already own.
What you can add, how it works, and which cars qualify.
Read the guide 02 · Meet commaAn AI model. Right there in your car.
Cameras, a local driving model, and your car’s controls.
Read the guide 03 · Make it happenPut open-source AI in your car.
The simple path from checking your car to setting up.
Read the guide 04 · Meet commaThe car upgrade built in the open.
Meet openpilot, its developers, and community versions.
Read the guide 05 · An easier commuteLess pedal work. Even in a gas car.
Less pedal work, and how it differs from EV braking.
Read the guide 06 · Meet commaWatch the road. Skip the wheel nudges.
How the driver camera replaces periodic wheel nudges.
Read the guideAlready have driver assistance?
Is comma worth the upgrade?
Choose the system in your car. Each comparison explains what it already does, what could make comma worthwhile, and what to check before buying.
comma vs Toyota Safety Sense 4.0
The newest generation needs a fresh comparison.
comma vs Toyota Safety Sense C
A safety package is not automatically an upgrade-ready car.
comma vs Toyota Safety Sense P
Give an older Toyota more help staying centered.
comma vs Toyota Safety Sense 2.0
Already have lane tracing? Compare the experience.
comma vs Toyota Safety Sense 2.5
The version number is only the start.
comma vs Toyota Safety Sense 2.5+
Compare the commute, not just the feature count.
comma vs Toyota Safety Sense 3.0
Fewer wheel nudges can be a real reason to switch.
comma vs Honda Sensing
More than the lane-assist button.
comma vs Subaru EyeSight
Which generation of EyeSight is in your Subaru?
comma vs Chevrolet Lane Keep Assist
Lane nudges are not lane centering.
comma vs GM Super Cruise
Already hands-free? Look beyond the wheel.
comma vs Ford Co-Pilot360
Find out which Ford assistance you actually have.
comma vs Ford BlueCruise
Two paths to a less tiring highway drive.
comma vs Hyundai / Kia Highway Driving Assist
Already have HDA? Compare what changes day to day.
comma vs Hyundai / Kia HDA 2
Lane changes, attention checks, and the car underneath.
comma vs Nissan ProPILOT Assist
Start with the ProPILOT version.
comma vs Nissan ProPILOT Assist 2.0 / 2.1
A hands-off factory system deserves its own comparison.
comma vs Volkswagen Travel Assist
A touch sensor is different from a wheel nudge.
comma vs Mazda i-ACTIVSENSE / CTS
Radar cruise, lane assistance, or both?
comma vs Lexus Safety System+
A quieter commute starts with the right comparison.
Can’t find your system? Start with the exact car listing →
Car checked? Ready to choose?
A good start comes with the right fit.
Check the exact car requirements first. Then see the current comma four offer and the correct harness at comma.ai.
Referral disclosure: eligible new customers get $50 off. CommaGuide gets $50 after a qualifying purchase. Terms apply.
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