Twenty-six Tesla Cybercabs were spotted running on the dedicated test track at Gigafactory Texas on September 16, making it one of the largest single-session Cybercab test fleets observed at the facility. The sighting — captured in photos and video — points to an accelerating validation program as Tesla pushes its robotaxi service beyond its Austin launch footprint.
Running 26 vehicles simultaneously on a closed test loop is a meaningful operational step. It suggests Tesla is stress-testing fleet coordination, autonomous behavior in close proximity to other Cybercabs, and likely the backend dispatch logic that governs a real robotaxi network — not just individual vehicle performance. The Giga Texas track has been used for pre-delivery validation on other models, but the scale here is notable for a platform that only recently entered public service in Austin.
How quickly Tesla can replicate this kind of multi-vehicle validation in other cities will be the real measure of the robotaxi rollout's pace.
🚕 Following the Robotaxi rollout? See every operating city, launch date and announced market in our Tesla Robotaxi Tracker.
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Sources & reporting notes
The links below identify the material source records used for this report.
- @TeslaNewswire on X (2026-09-16T19:12:13.000Z) — Direct source
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