Tesla's Robotaxi Fleet Reaches 38 Unsupervised Vehicles and Drives Into the Night for the First Time
5 min read read
Tesla's unsupervised Robotaxi program crossed a pair of milestones in early May. The fleet of vehicles operating without any in-car safety monitor has grown to at least 38 cars across Texas — and on May 4, Austin's Robotaxis extended operations into the evening for the first time, venturing out after dark without human oversight.
Both developments represent meaningful expansions of what Tesla has called the operational design domain (ODD) of its autonomous service: the set of conditions in which the system is certified to operate without a human ready to intervene.
Fleet by the Numbers
As of May 6, trackers monitoring the Texas Robotaxi deployment counted at least 38 unsupervised vehicles across three cities. Austin leads with 27 cars, followed by Houston with 6 and Dallas with 5. Robotaxi operators note the actual fleet likely exceeds tracked figures by roughly 30%, as not every vehicle is spotted and logged by community observers.
| City | Unsupervised Vehicles (Tracked) | Launch Date |
|---|---|---|
| Austin, TX | 27 | January 2026 |
| Houston, TX | 6 | April 2026 |
| Dallas, TX | 5 | April 2026 |
| Total | 38+ | -- |
Earlier in the Austin deployment, Tesla's fleet included vehicles with safety monitors inside the cabin and separate chase cars trailing each Robotaxi. The current configuration removes both: no person in the car, no vehicle following behind. Remote operators in Tesla facilities monitor trips, but passengers ride without any physical human oversight present.
The Significance of Night Operations
Nighttime driving presents a distinct set of challenges for camera-based autonomous systems. Reduced ambient light lowers the contrast available for detecting pedestrians, lane markings, and road hazards. Oncoming headlight glare can temporarily saturate camera sensors. And the variability in lighting conditions — streetlights, storefronts, construction zones — forces the perception stack to handle a much wider range of inputs than daylight scenes.
"Tesla Robotaxi in Austin is operating unsupervised in the evenings for the first time today." -- @RtaxiTracker, May 4, 2026
Previously, Austin's unsupervised Robotaxi service wrapped up operations in the mid-afternoon. Extending past 4:00 PM and into evening hours signals that Tesla's current FSD software — running on version 14.3.2 — has cleared internal thresholds for operating in lower-light conditions without a safety monitor present.
FSD v14.3.2 and the Unified Model
The software update underpinning this expansion is FSD 14.3.2, which Tesla released in early May and began rolling out broadly. The version's headline change is a unified neural network model that now powers Robotaxi operations, supervised FSD on customer vehicles, and Actually Smart Summon from a single architecture — replacing what had previously been separate, specialized models for each use case.
Tesla's internal reasoning: a model trained on inputs from all three modes is exposed to a wider variety of driving scenarios and can generalize better. A Robotaxi that encounters an unusual edge case benefits from having been trained on millions of FSD miles where drivers provided feedback. The inverse also applies.
What Comes Next
Tesla has confirmed plans to expand unsupervised Robotaxi service to Phoenix, Miami, Orlando, Tampa, and Las Vegas in the first half of 2026, with CEO Elon Musk targeting coverage across a dozen U.S. states by year-end. The expansion timeline is tied to the readiness of FSD v15, which Tesla has described as a 10 billion parameter model representing a significant architectural step up from current versions.
The Cybercab — Tesla's purpose-built two-seat autonomous vehicle, now in production at Giga Texas — is expected to join the Robotaxi fleet in volume once production ramps through 2026. The Model Y currently filling the fleet is considered an interim platform until Cybercab reaches scale.
The Bottom Line for Riders and Investors
Thirty-eight unsupervised vehicles across three Texas cities is a modest number by any commercial comparison — Waymo runs hundreds of vehicles in multiple markets. But the trajectory matters: Tesla's fleet is expanding, its operating hours are extending, and the software model powering both the Robotaxi and consumer FSD is now a single, unified system. How quickly that fleet grows beyond Texas will be the defining metric to watch through the rest of 2026.
Photo: Futuristic autonomous vehicle concept / Pexels