Astribot S1 vs Leju Kuavo

Astribot S1 is a China-built wheeled humanoid upper-body robot with official specs of 170 cm, 80 kg, 5 kg per-arm payload, end-effector speed >=10 m/s, acceleration about 100 m/s^2, repeatability +/-0.1 mm, and 4-6 hours runtime. It uses cable-driven arms and is sold B2B by quote, with no public price. BigGo Finance reports a 15 billion yuan valuation, 10,000-unit S and T production capacity, and customers including Golden Horse, ThunderSoft, JD.com, and Robot MART stores across six Chinese cities. Secondary reviews describe cooking, food prep, cleaning, calligraphy, and other demos, and report Astribot Suite task success rates of 80-100 percent. Autonomy is claimed but not independently audited, S1 has no bipedal walking speed, and no S1-specific deployment output metrics are published

Leju Kuavo is a family of full-size biped humanoids from Leju Robotics, with base KUAVO independently tested by CTTL at 45 kg, 26 DoF, 4.6 km/h pace, and 20cm jumps; KUAVO-MY variant is 1.4 m with >40 DoF. Leju's IPO filing reports 577 Kuavo units sold in 2025 for 178 million yuan. A public torchbearer event demonstrated 100m torch carrying and handover, but was explicitly teleoperated. Several YouTube titles suggest parcel delivery, household help, modular hands, and FAW factory work, but lack transcripts. No autonomous manipulation, runtime, battery, sensor, or hand specs were found in reviewed sources