EngineAI T800 vs MenteeBot V3

EngineAI T800 is a full-size bipedal humanoid (1.73 m, 75 kg official) with 29 body DoF excluding dexterous hand, 450 N·m peak joint torque, and a claimed 4-5 hour solid-state battery runtime. It launched on 2025-12-02 from 180,000 yuan with four versions and was demonstrated at CES 2026. In May 2026, EngineAI announced mass production with first batch delivery and a 10,000-unit scalable capability. However, all strong evidence is company-reported. No named customer deployment, autonomous task execution, or independent verification was found. addoobot lists conflicting specs (84.5 kg, 2 h runtime, 1.22 kWh ternary battery) that lower confidence in endurance

MenteeBot V3 has stronger source-backed evidence than the previous weak pack: official specs list a 175 cm, 70 kg, 40-DoF biped with 25 kg carry capacity and 1.5 m/s speed, and Mentee/CTech report a two-robot autonomous warehouse demo moving 32 boxes in an 18-minute unedited run. Still score conservatively: there is no named customer deployment, independent benchmark, intervention-rate data, price, or public purchase path, and Mobileye's SEC filing explicitly cautions that humanoid commercialization remains uncertain