AlphaBot 2 vs Cruzr S2: Key Differences

AlphaBot 2 has a height of 170 cm and a footprint of 55 cm × 38 cm, with a weight range of 50–80 kg. Cruzr S2 is slightly taller at 176 cm, with the same 55 cm × 38 cm base dimensions and a similar 50–80 kg weight range. Both robots use a bipedal humanoid design with balance-assisted walking, targeting deployment in human-scale environments such as factories and labs.

AlphaBot 2 walks at 1.5–3 m/s and uses Visual SLAM, LiDAR mapping, and balance-assisted walking for navigation. Cruzr S2 has a top speed of 2 m/s and also relies on Visual SLAM and LiDAR mapping with balance-assisted walking. Both support autonomous navigation and obstacle avoidance, but AlphaBot 2 emphasizes 360°×360° spatial sensing and full-body perception for complex environments.

AlphaBot 2 is equipped with RGB cameras, a depth camera, LiDAR, IMU, force/torque sensors, gyroscope, accelerometer, and joint encoders. Cruzr S2 uses an identical sensor suite: RGB cameras, depth camera, LiDAR, IMU, force/torque sensors, gyroscope, accelerometer, and joint encoders. Both provide 360° environmental awareness and support compliant manipulation through force feedback and joint-level sensing.

AlphaBot 2 is powered by the self-developed AI2R Brain, a full-stack embodied large model that enables spatial reasoning, task decomposition, and learning by observation. Cruzr S2 uses UBTECH’s proprietary AI stack with autonomous and learned behaviors, but specific model details are not disclosed. AlphaBot 2 explicitly supports understanding spoken commands, emotional responses, and on-the-go learning from real-world industrial data.

AlphaBot 2 has a 3–5 kWh, 48V LiPo battery pack with a runtime of 3–5 hours and a battery life of 3–5 years. Cruzr S2 is specified with a similar 3–5 year battery lifespan but lacks public details on exact capacity and runtime. Both robots are designed for multi-hour operation with standard charging times in the 2–4 hour range.

AlphaBot 2 is deployed in automotive factories for material transport, unpacking, disinfection, visual inspection, and collaborative lifting, with plans for airport luggage handling. Cruzr S2 is used in manufacturing, logistics, research, and remote operations, focusing on service and inspection tasks. Both target similar domains, but AlphaBot 2 emphasizes multi-robot coordination and dynamic visual cruise for collaborative heavy lifting.

AlphaBot 2 runs a Linux-based OS with ROS 2 support, Python SDK, and interfaces including web app, CLI, ROS, and teleoperation joystick. Cruzr S2 also uses a Linux-based OS with ROS 2 support and Python SDK, enabling integration into standard robotics workflows. Both are developer-friendly platforms, but AlphaBot 2’s AI2R Brain is tightly coupled with its software for end-to-end embodied AI deployment.

AlphaBot 2 includes force limiting, collision detection, emergency stop, and redundant sensors for safe operation around humans and in dynamic environments. Cruzr S2 provides the same core safety features: force limiting, collision detection, emergency stop, and redundant sensors. Both are designed to meet industrial safety requirements for shared workspaces.