Element

1. 5

   Regulator-cleared or mass market

   A regulator has cleared it where approval applies: FDA clearance or approval for a medical robot, a permit to run with no one aboard for a self-driving vehicle, or an FAA approval for routine drone flights. Or: Widely sold: sales in the hundreds of thousands, or a product category you can buy in ordinary shops.

2. 4

   Paying customersThis robot

   Delivered to customers who pay for it, beyond a trial, or a paid service the public can use.

   Placed by: Aigen launched the Element Gen 2 X4, which weeds both in and between crop rows, with fleets offered for the 2027 season. It said it had built more than 100 robots (16 Sept 2026); Aigen opened orders for the Element gen2 for delivery to US farms in 2026 (22 April 2025).

3. 3

   Pilot

   Working with a named customer in a real setting, as a trial.

4. 2

   Pre-orders

   Orders, reservations or deposits taken, with nothing delivered yet.

5. 1

   Demo only

   Shown in videos, staged events or a factory, with no units working for customers.

What we couldn't confirm. No price was given in any source we opened. Fast Company in 2024 said the first robots would cover 20,000-plus acres; we did not confirm that this happened.