Unitree R1
TIME Best Invention 2025. 121cm humanoid with 26 joints, 100 TOPS AI, and sub-$5K entry price.
The Tesla Optimus Gen 3 was announced during Tesla’s Q3 2025 earnings call, featuring dramatically upgraded hands with 22 degrees of freedom (doubled from Gen 2’s 11 DOF) using tendon-driven systems and flexible gloves for near-human dexterity.
Integrating Grok (xAI’s large language model) for advanced reasoning and natural interaction, Gen 3 maintains the Gen 2 body design (173cm, 57kg) while focusing on hand dexterity upgrades. Musk describes it as “so real you’ll need to poke it to believe it’s a robot.” As of early 2026, units are in production for internal Tesla factory use only, no consumer sales announced.
| Height | 168cm (5'8") |
|---|---|
| Weight | 57kg |
| Hand DOF | 22 per hand (50 actuators total) |
| Hand System | Tendon-driven + flexible gloves |
| Payload | 9kg (20 lbs) |
| Walking Speed | 5 km/h |
| AI | Grok (xAI) + Tesla FSD neural networks |
| Status | Internal Tesla production (Feb 2026) |
A quick summary of where this model performs well and where it falls short.
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TIME Best Invention 2025. 121cm humanoid with 26 joints, 100 TOPS AI, and sub-$5K entry price.
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