Compare · head to head

RobotEra STAR1 vs Tesla Optimus Gen 2 (V2/V2.5)

Data confidence: medium / medium · reviewed by Andrei Sheshenin · how we score

RobotEra STAR1 ranks higher overall (46 vs 45, a 1-point gap). RobotEra STAR1 is ahead in locomotion, hands; Tesla Optimus Gen 2 (V2/V2.5) is ahead in manipulation; they score the same in autonomy, deployment. Tesla Optimus Gen 2 (V2/V2.5) is cheaper: about $25,000 vs $170,000.

#13

46score

RobotEra STAR1

RobotEra · China · Walks on legs

Height171 cm

Weight63 kg

Joints55

Lifts?

Speed13 km/h

Battery?

Price$170k reported

Research

#16

45score

Tesla Optimus Gen 2 (V2/V2.5)

Tesla · USA · Walks on legs

Height173 cm

Weight57 kg

Joints28

Lifts20 kg

Speed?

Battery?

Price$25k reported

Prototype

RobotEra STAR1		Tesla Optimus Gen 2 (V2/V2.5)
Body
171 cm	Height	173 cm
63 kg	Weight	57 kg
Legs	Moves on	Legs
55	Joints (degrees of freedom)	28
Self-developed joints, up to 400 Nm, 25 rad/s	Actuators	Tesla-designed rotary and linear actuators with integrated electronics
Movement
13 km/h	Top speed	?
Hands and lifting
12	Joints per hand	11
5	Fingers	5
?	Carries (both arms)	20 kg
Brain and senses
ERA-42	AI model	in-house end-to-end neural networks (FSD stack)
Not disclosed	Onboard computer	Tesla FSD computer
Not disclosed	Sensors	vision cameras; foot force/torque; fingertip tactile sensors
Buying it
$170k reported	Price	$25k reported
No official price. 120,000 USD (humanoid.guide), 220,000 USD distributor backorder (roboticscenter). Runtime reported 2-4 h (conflicting).	Price details	Musk target price 20,000-30,000 USD at scale; no official price, not on sale
Commercial, research sales	Availability	Internal Tesla use only; not for sale
Research	Status	Prototype
Research organizations	Customers	Tesla (internal)
Research, outdoor running demos	Used for	battery cell sorting at Tesla factory; demos
What it has shown (our assessment)
Runs, recovers from pushes, gets up	Locomotion	Handles stairs and uneven ground
Scripted pick-and-place	Manipulation	Two-handed work in real settings
12+ joint hand with touch sensing	Hands	Hand with 6-11 joints
Learned AI policies in demos	Autonomy	Learned AI policies in demos
Sold to labs, a few units	Deployment	Sold to labs, a few units

Watch them

RobotEra STAR1: Robot Era STAR1 debuts to support 2024 Xi'an Marathon — Robot Era STAR1 debuts to support 2024 Xi'an Marathon · ROBOTERA on YouTube

Tesla Optimus Gen 2 (V2/V2.5): Optimus - Gen 2 | Tesla — Optimus - Gen 2 | Tesla · Tesla on YouTube

What each has shown

RobotEra STAR1: running 3.6 m/s in the Gobi Desert

Tesla Optimus Gen 2 (V2/V2.5): sorting battery cells at a factory, everyday tasks in video, walking on uneven ground

FAQ

Which ranks higher, RobotEra STAR1 or Tesla Optimus Gen 2 (V2/V2.5)?

RobotEra STAR1 ranks higher overall (46 vs 45, a 1-point gap).

Can you buy RobotEra STAR1 or Tesla Optimus Gen 2 (V2/V2.5)?

RobotEra STAR1: sold to researchers. Tesla Optimus Gen 2 (V2/V2.5): prototype.

Which costs less, RobotEra STAR1 or Tesla Optimus Gen 2 (V2/V2.5)?

RobotEra STAR1 about $170,000; Tesla Optimus Gen 2 (V2/V2.5) about $25,000.

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