Tesla launched its robotaxi service in Austin on Sunday as its Model Y vehicles drove around a select batch of riders who gave rave reviews about smooth, convenient rides that were available for the cheap price of $4.

The company debuted its autonomous ride-hailing service Sunday. The limited program is invite-only and uses around 20 cars—signs that Tesla has a long way to go to catch up to its robotaxi rivals.

Tesla's long-awaited robotaxis rolled out for the first time on roads in Austin, Texas on Sunday. In videos shared by Tesla on X, a small group of invited analysts, influencers and shareholders were shown participating in paid rides.