Comma AI sells hands-free driving for 325-plus cars, driver still required
Comma four runs openpilot without a required subscription, though the Level 2 system launched in November 2025 and still demands an attentive driver.
By RuntimeWire Staff · Published · Updated
Primary source: X
Why it matters
Hotz's retrofit strategy lets Comma AI reach across brands and model years without waiting for new-car cycles, while keeping an attentive driver responsible for every mile.

George Hotz (@realGeorgeHotz)'s Comma AI used a September 5th post on X to pitch subscription-free, hands-free driving for cars that owners already have. The hardware behind that pitch is comma four, a windshield-mounted computer that runs Comma AI's open-source openpilot software.
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