All four make capable six-axis arms, so the arm itself rarely decides the choice. What separates FANUC, ABB, KUKA and Yaskawa in 2026 is the heaviest load they cover, which controller and language your staff will learn, how open each is to ROS 2 and AI tools, and who owns the company: ABB Robotics is being sold to SoftBank, KUKA belongs to China’s Midea, and FANUC and Yaskawa are independent Japanese companies. Weigh which brand your integrator and maintenance team already support.
Company and lineup at a glance
| Maker | HQ and owner | Payload range | Cobots |
|---|---|---|---|
| FANUC | Oshino, Japan; independent listed company | 0.5–2,300 kg | CRX 3–30 kg, CR-35iB 50 kg |
| ABB Robotics | Zurich; sale to SoftBank expected to close Q4 2026 | 1.5–800 kg arms | GoFa 5–12 kg, PoWa, YuMi |
| KUKA | Augsburg, Germany; owned by Midea Group | 3–1,300 kg | LBR iisy 3–15 kg, LBR iiwa 7–14 kg |
| Yaskawa | Kitakyushu, Japan; independent listed company | 0.5–800 kg | HC 10–30 kg |
Sources: FANUC’s robot range and cobot page; ABB’s robotics products and Q3 2026 report; KUKA’s industrial robots page; Yaskawa Motoman’s robot catalog. All checked October 23, 2026.
Controllers, languages and software
| Maker | Current controller | Robot language | Offline simulation |
|---|---|---|---|
| FANUC | R-50iA (R-30iB Plus on many models) | TP, KAREL, Python on R-50iA | ROBOGUIDE |
| ABB | OmniCore | RAPID | RobotStudio |
| KUKA | KR C5 with iiQKA.OS2 | KRL | KUKA.Sim |
| Yaskawa | YRC1000, YRC1000micro | INFORM | MotoSim EG-VRC |
This table matters more than payload charts for most plants. Each language takes weeks of training, programs don’t move between brands, and spare controllers and teach pendants are brand-specific. A plant running 40 FANUC robots has spares, training and programs built around FANUC, and a slightly faster arm from another maker doesn’t remove those costs.
ROS 2 and AI integration
All four now offer a route from research tools to their controllers, but at different levels:
- FANUC released an official ROS 2 driver in December 2025, working with ros2_control at a 1 ms cycle and covering CRX cobots and large robots. The R-50iA also runs Python on the controller.
- Yaskawa maintains MotoROS2, an official open-source interface for YRC1000 controllers, limited to 200-point trajectories. Its MOTOMAN NEXT line adds an on-robot AI computer.
- KUKA builds its newer arms around iiQKA.OS2 and offers KUKA AMP for coordinating robots, AMRs and AI agents across a plant.
- ABB relies on RobotStudio’s virtual controller for simulation and has run AI research projects with partners; how its software roadmap continues under SoftBank hasn’t been announced.
All four appear as partners in NVIDIA’s GTC 2026 announcement; our guide to NVIDIA’s physical AI stack explains what that partnership can cover.
Scale of each robot business
The four don’t report on the same basis, so treat these as orders of magnitude:
- FANUC: robot division sales of ¥378.6 billion in the year ended March 2026, per its results reference; one million robots built by August 2023.
- ABB Robotics: $2.3 billion revenue in 2024 and about 7,000 employees, per ABB’s sale announcement; $622 million in Q3 2026.
- KUKA: €3.9 billion group sales in 2025 with 14,542 employees, per its 2025 annual report; this includes automation systems beyond robot arms.
- Yaskawa: more than 600,000 Motoman robots installed, per Yaskawa Motoman.
How to choose between them
- Start with your service network. Ask which of the four your preferred integrators certify and how far the nearest service engineer is. Downtime costs more than any price gap between arms.
- Match the heaviest job. Above 1,300 kg only FANUC’s M-2000 is in range; above 800 kg it’s FANUC or KUKA.
- Check the cobot line if you’ll mix. A plant using one maker’s industrial arms and its cobots keeps one pendant style and one parts supplier. If you only need cobots, compare against Universal Robots too.
- Ask about ownership if it affects you. Public-sector and defense buyers sometimes have rules about Chinese-owned suppliers (KUKA), and ABB owners should ask which entity holds their service contracts after the SoftBank closing.
- Size by the exact variant. Payload and reach differ inside each family; our guide to choosing an arm by payload, reach and accuracy shows how to read load diagrams, and how TCP offsets work explains why the gripper changes the usable reach.
For makers beyond these four, including Kawasaki, Epson and China’s Estun, see our industrial robot manufacturers list. None of the four publishes prices. Ask each bidder to quote the same scope, broken out the way our robot quote checklist describes.
Brand guides
- FANUC robots: lineup by payload and how to buy
- ABB Robotics: the SoftBank sale and what ABB makes
- ABB industrial robots: every IRB family by payload
- KUKA robots: lineup, ownership and buying
- Yaskawa Motoman: GP, HC and MOTOMAN NEXT
For the small-robot classes specifically, our LR Mate 200iD vs KR AGILUS vs IRB 1100 vs GP8 comparison lists payload, reach, repeatability and weight for every variant.
Manufacturer product, investor and support pages checked October 23, 2026.