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Tesla Robotaxi in Miami
Image Credit: Tesla

Tesla Chart Choice Hides Robotaxi Slowdown a Quarterly View Would Show

Tesla‘s second-quarter shareholder deck shows cumulative paid robotaxi miles reaching roughly 2.4 million by June.

When set against the chart the company published three months earlier, the growth in the paid service peaked in March and slowed in every month since.

The first-quarter presentation charted cumulative paid robotaxi miles from June 2025 through March 2026, and the second-quarter version extended the same series through June.

Neither chart labels its monthly values, so the figures that follow are estimates derived from the charts’ geometry and should be read as approximations.

The slowdown sits inside the same deck Tesla used to justify a capital-spending program of more than $25 billion this year, with the robotaxi fleet among its named destinations — a plan that helped send the stock to levels last seen nearly a year ago this week.

What the Two Decks Show

Tesla‘s first-quarter chart ends near 1.7 million cumulative paid miles and bends upward the whole way: from about 650,000 at December to roughly 1.3 million in February and about 1.7 million in March, each month adding more than the one before.

Its successor ends near 2.44 million, but the shape changes around March, after which the curve flattens progressively through June.

Month by month, the estimates put the additions at roughly 440,000 paid miles in March — the strongest in the series — then about 330,000 in April, 220,000 in May and 140,000 in June, leaving June’s gain at about a third of March’s.

On a quarterly cut, the service added about 1.0–1.1 million paid miles in the first quarter and roughly 700,000 in the second, a decline of about one-third; TechCrunch, which first reported the quarterly drop, put it at about 36%.

Tesla showed the series only in cumulative form, a format that rises by construction and keeps a slowing business pointing upward.

A per-quarter chart of the same data would have shown one bar near 1.1 million followed by one near 700,000, while a monthly version would show a peak in March and three consecutive declines.

The company published neither.

Tesla shares posted one of their steepest declines on Thursday, closing 14.52% lower at $319.69.

As of publication time, Friday’s pre-market session was showing a slight rebound to $324.95.

Safety as the Governor

On the earnings call that followed the deck, Elon Musk presented the pace of the rollout as deliberate.

Tesla is scaling the service as fast as possible, he told analysts, subject to a single limit — safety, which he called “the sole constraint on our expansion” — with a target of zero injuries from the fleet.

Musk set that standard against the asymmetry of attention: the 30,000 to 40,000 annual US road deaths that rarely make headlines, against the global front pages and regulatory tightening a single robotaxi injury would draw — a figure consistent with federal crash data.

New cities, he added, will be announced in real time on X as the footprint grows.

The framing matches the reliability logic Musk applied to Optimus on the same call, where he argued deployment is gated on failure rates rather than capability — remarks made alongside his dismissal of rival robot demonstrations as scripted.

Read together, chart and commentary amount to a claim that the deceleration is chosen rather than suffered. The deck itself offers no annotation either way.

The Growth Claim

One number from the call sits awkwardly beside the company’s own chart.

Musk told analysts that weekly vehicle miles traveled are growing at more than 10% — a compound rate that, sustained across a 13-week quarter, implies the service more than tripling.

Paid miles, per the deck, did the opposite: additions fell month over month through the entire quarter.

Both statements can hold only if the metrics differ — if “vehicle miles traveled” includes unpaid driving such as testing, repositioning and supervised operation growing quickly while paid miles slowed, or if the weekly figure describes only the most recent weeks rather than the quarter.

Tesla did not specify which, leaving the growth rate quoted on the call unmatched by the paid-mile series the company charted.

What Sits Inside the Mileage

Composition is the second open question, and the deck’s own coverage table frames it.

The presentation states the robotaxi rollout is “now live in seven major metros” and lists them: Austin, Dallas and Houston in Texas plus Miami, Orlando and Tampa in Florida, all marked as ramping unsupervised — and the San Francisco Bay Area, whose status column reads Safety Driver.

Phoenix and Las Vegas appear in the same table with preparations underway, pointing to the next expansion wave.

That table settles one question TechCrunch had flagged as likely: Tesla counts the Bay Area — where the branded service runs with safety drivers and without the California permits required for autonomous operation — among its seven live metros.

If those supervised miles also sit inside the paid-mile chart, the trend for fully autonomous operation could be weaker than the blended series shows; the deck does not break the figure down.

The CapEx Stakes

The chart matters because of what is being spent against it.

Beyond the $25 billion capex plan and up to $30 billion in secured debt capacity, the deck lists Cybercab manufacturing with planned capacity above 125,000 units, and pairs the robotaxi update with a note that FSD Supervised penetration kept growing as more buyers took subscriptions — now 1.48 million — at the time of vehicle purchase.

Wall Street’s reaction this week ran through the spending rather than the mileage, with seven firms cutting price targetsafter the results.

The third-quarter deck will answer the question this one leaves open: whether June’s roughly 140,000 paid miles marked the bottom of a safety-governed pause or the fourth point in a trend.

Cláudio Afonso founded CARBA in early 2021 and launched the news blog EV later that year.