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Home › Travel›
Published by Dusan Belic on April 14, 2025

Comma

Comma
Comma Homepage
Categories Travel
A device and AI software that adds autopilot capabilities to everyday cars

Comma

Comma is not an average AI service, quite the contrary. It is a combination of a device and software that transforms an everyday car into a vehicle with capabilities akin to Tesla’s Autopilot. As such, it is designed to make driving not just easier, but genuinely enjoyable.

The Comma device, as of April 2025 in version 3X, acts as a comprehensive driving assistant. With over 100 million miles driven and a community of 10,000 users, its reputation speaks volumes. The device includes three HDR cameras, offering a 360° view of your surroundings to deliver better lane centering, adaptive cruise control, and even lane-changing capabilities. Plus, with ongoing over-the-air updates, your driving assistant keeps getting smarter over time.

Comma 3X is compatible with over 300 car models, including popular brands like Toyota, Honda, and Hyundai. This means more people can experience enhanced driving without purchasing a new vehicle. In addition, the device offers dashcam recording, providing peace of mind by capturing your journeys.

Real-world users highlight the device’s (massive) impact. One driver noted that after installing the comma 3X on their vehicle, it “keeps your car in-lane like you will NOT believe until you see it, and stops and goes by itself in stop-and-go traffic.” Pretty cool.

In conclusion, Comma offers a compelling upgrade for drivers looking for advanced assistance features without purchasing a new vehicle. Its combination of broad compatibility, continuous updates, and a supportive community makes it a great choice for anyone who likes AI driving them around. Love it!

Comma Homepage
Categories Travel

Video Overview ▶️

Comma - Video Overview

What are the key features? ⭐

  • Three HDR cameras; Comma 3X has three high-quality cameras that give your car a full 360° view to keep you safely in your lane and watch traffic all around you.
  • Adaptive cruise control: This smart feature automatically adjusts your car's speed to match traffic flow, making driving in heavy traffic or on long highways stress-free.
  • Automatic lane changes: When you signal, Comma can smoothly change lanes for you. It checks for safety before moving your car into a new lane.
  • Dashcam recording: The device records video of your entire drive. So, if an accident happens, you have video proof to show exactly what occurred.
  • Ongoing updates: Comma sends regular updates right to your device, keeping it up-to-date. This ensures that your driving assistant becomes smarter and better without lifting a finger.

Who is it for? 🤔

The target market for the Comma includes tech-savvy individuals looking to upgrade their current vehicles with advanced driver-assistance features. It is particularly appealing to those who spend considerable time on the road and desire a more relaxed driving experience. Furthermore, drivers who own compatible car models and wish to enhance their vehicle's capabilities without investing in a new car will find Comma's offering especially beneficial.

Examples of what you can use it for 💭

  • Make busy mornings easier by handling stop-and-go traffic
  • Reduce tiredness on long drives by keeping your car centered and maintaining safe speed
  • Manage tricky city roads by adjusting speed and braking automatically
  • Record videos while driving, providing clear proof in case of accidents or disputes
  • Turn your current car into a high-tech ride similar to newer, advanced cars

Pros & Cons ⚖️

  • Enhanced driving experience for older cars
  • Works with over 300 car models
  • Continuous improvement through over-the-air updates
  • The setup process can be challenging (but it's worth it)

FAQs 💬

What exactly is Comma's openpilot?
Openpilot is an open-source advanced driver assistance system developed by comma.ai that adds automated lane centering, adaptive cruise control, and other features to compatible vehicles. It enables the car to handle steering and speed for extended periods while requiring driver supervision.
What hardware do I need to run openpilot?
You need a comma four device (the current hardware), which mounts on the windshield, connects to your car's OBD-II port via a harness, and uses built-in cameras and compute to run the software.
Which cars work with openpilot?
Openpilot officially supports over 325 models across 27 brands, including many recent Toyota, Hyundai, Kia, Honda, Ford, and others. Newer Hyundai and Toyota models often perform especially well. Check the official compatibility list at comma.ai/vehicles for your exact year and trim.
Is openpilot considered Level 2 autonomy?
Yes, it functions as a Level 2 system (hands-off steering and speed control in many scenarios) but always requires active driver attention and readiness to take over, similar to factory systems like Tesla Autopilot or GM Super Cruise.
How does openpilot compare to my car's built-in driver assistance?
Many users report that openpilot feels smoother, more natural, and capable on a wider range of roads than stock systems, especially for lane centering and handling faded lines or curves, though it varies by vehicle and software version.
Does openpilot require a subscription or internet connection?
There is no subscription fee. The system works offline for core driving features, though internet is needed for over-the-air updates, initial setup, and optional data upload to improve the models.
How good is openpilot at handling city driving or stoplights?
With Experimental mode enabled (available on many supported cars), it can stop at red lights and stop signs, resume from stops, and navigate some urban scenarios, but performance depends on the car, road conditions, and the latest model release.
Is openpilot safe to use every day?
It has logged over 300 million community-driven miles, and users generally praise its reliability for highway and many suburban drives. Still, it remains a driver-assistance tool, not full self-driving, so you must stay attentive and keep hands near the wheel.
Can I try openpilot before fully committing?
Comma.ai offers a 30-day money-back trial on the comma four device, so you can install it, test it on your roads, and return it for a full refund if it doesn't meet expectations.
Are there different versions or forks of the openpilot software?
Yes, besides the official release, popular community forks like FrogPilot, SunnyPilot, or others add custom features, UI tweaks, or support for additional vehicles, giving users flexibility to choose what best fits their driving style.
Visit Comma

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Last update: February 9, 2026
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