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🇨🇳 Zeroth Bridge

Zeroth Robotics · China · unveiled 2026
prototype research electric data confidence: low
17.8
HMX Score
Rank #164 of 172 humanoid

Watch changes · Evidence history and cited research export (API access) · Plan a pilot

Score breakdown

AutonomyManipulationMobilityHardwareCommercialEcosystem
Autonomy & Intelligence · 25%20.0
Manipulation & Dexterity · 20%4.9
Mobility & Locomotion · 15%0.0
Hardware & Engineering · 15%45.0
Commercial Readiness & Deployment · 15%28.0
Ecosystem & Viability · 10%8.8

Each pillar is scored 0–100 from published specs, then weighted into the HMX. Compare it only with other humanoid robots — each category uses its own reference scales. See the full methodology →

Notable

Bridge (Xiao Qiao) is an 88 cm tall, 13 kg bipedal developer humanoid robot powered by 50 N·m joint modules and integrated with the open-source OpenBridge ecosystem. Over 600 Geek Edition units were sold on JD.com on its September 2, 2026 launch day.

Specifications

Evidence is attached to each value. Robot-wide source links do not verify every field. A source about an older value cannot support the current specification.

Height
88.0 cm
unverified · 0 evidence records

Declared shared origins are grouped. Distinct domains and unclassified origins do not establish independent evidence.

No field-specific evidence recorded. This value is unverified at field level.

Weight
13.0 kg
unverified · 0 evidence records

Declared shared origins are grouped. Distinct domains and unclassified origins do not establish independent evidence.

No field-specific evidence recorded. This value is unverified at field level.

Payload
2.0 kg
unverified · 0 evidence records

Declared shared origins are grouped. Distinct domains and unclassified origins do not establish independent evidence.

No field-specific evidence recorded. This value is unverified at field level.

Travel speed
Undisclosed
unverified · 0 evidence records

Declared shared origins are grouped. Distinct domains and unclassified origins do not establish independent evidence.

No field-specific evidence recorded. This value is unverified at field level.

Runtime
Undisclosed
unverified · 0 evidence records

Declared shared origins are grouped. Distinct domains and unclassified origins do not establish independent evidence.

No field-specific evidence recorded. This value is unverified at field level.

Battery
Undisclosed
unverified · 0 evidence records

Declared shared origins are grouped. Distinct domains and unclassified origins do not establish independent evidence.

No field-specific evidence recorded. This value is unverified at field level.

Total DoF
21 DoF
unverified · 0 evidence records

Declared shared origins are grouped. Distinct domains and unclassified origins do not establish independent evidence.

No field-specific evidence recorded. This value is unverified at field level.

Hand DoF per hand
1 DoF
unverified · 0 evidence records

Declared shared origins are grouped. Distinct domains and unclassified origins do not establish independent evidence.

No field-specific evidence recorded. This value is unverified at field level.

Dexterous hands
No
unverified · 0 evidence records

Declared shared origins are grouped. Distinct domains and unclassified origins do not establish independent evidence.

No field-specific evidence recorded. This value is unverified at field level.

Actuation
electric
unverified · 0 evidence records

Declared shared origins are grouped. Distinct domains and unclassified origins do not establish independent evidence.

No field-specific evidence recorded. This value is unverified at field level.

Form factor
bipedal
unverified · 0 evidence records

Declared shared origins are grouped. Distinct domains and unclassified origins do not establish independent evidence.

No field-specific evidence recorded. This value is unverified at field level.

Onboard compute
Undisclosed
unverified · 0 evidence records

Declared shared origins are grouped. Distinct domains and unclassified origins do not establish independent evidence.

No field-specific evidence recorded. This value is unverified at field level.

AI model
OpenBridge embodied control model
unverified · 0 evidence records

Declared shared origins are grouped. Distinct domains and unclassified origins do not establish independent evidence.

No field-specific evidence recorded. This value is unverified at field level.

Autonomy
research
unverified · 0 evidence records

Declared shared origins are grouped. Distinct domains and unclassified origins do not establish independent evidence.

No field-specific evidence recorded. This value is unverified at field level.

Product status
prototype
unverified · 0 evidence records

Declared shared origins are grouped. Distinct domains and unclassified origins do not establish independent evidence.

No field-specific evidence recorded. This value is unverified at field level.

Indicative price
Undisclosed
unverified · 0 evidence records

Declared shared origins are grouped. Distinct domains and unclassified origins do not establish independent evidence.

No field-specific evidence recorded. This value is unverified at field level.

Funding
140.0 USD million
unverified · 0 evidence records

Declared shared origins are grouped. Distinct domains and unclassified origins do not establish independent evidence.

No field-specific evidence recorded. This value is unverified at field level.

Company valuation
0.351 USD billion
unverified · 0 evidence records

Declared shared origins are grouped. Distinct domains and unclassified origins do not establish independent evidence.

No field-specific evidence recorded. This value is unverified at field level.

Zeroth Bridge in context: rank, rivals and specs

Compare with Naver Labs AMBIDEX →

Bridge is a humanoid robot from Zeroth in China, and it is at the prototype stage. It scores 17.8 on the Humanoid Metric, ranking 164th of 172.

On the leaderboard it sits between Naver Labs AMBIDEX (HMX 18.4) and NEURA Robotics Mipa (HMX 17.7).

It does not beat the category median on any machine pillar; the widest gap is autonomy & intelligence, at 20.0 against a median of 70.0.

By the published specifications, it is lighter than 98% of the 124 other humanoid robots publishing a weight (13 kg), is shorter than 96% of the 138 other humanoid robots publishing a height (88 cm) and carries less payload than 86% of the 108 other humanoid robots publishing a payload (2 kg).

On autonomy, it has demonstrated autonomy only in research settings. No deployment is on record.

Its specifications carry a low-confidence grade from 6 cited sources, as of 2026-09-14.

Task evidence

Task capability is not inferred from hardware specifications or general autonomy labels. Find robots for a task →

No task-specific evidence recorded. Capability remains unknown.

Frequently asked questions about the Zeroth Bridge

How much does the Zeroth Bridge cost?

Zeroth has not published a price for the Zeroth Bridge, and none is estimated here.

What are the Zeroth Bridge's specs?

Published specifications: payload 2 kg, degrees of freedom 21, degrees of freedom per hand 1, height 88 cm, weight 13 kg. Not published: speed and runtime.

Is the Zeroth Bridge autonomous?

The Zeroth Bridge has demonstrated autonomy only in research settings. The grade reflects demonstrations, not marketing claims.

How does the Zeroth Bridge compare to the Naver Labs AMBIDEX?

On the HMX, the Zeroth Bridge scores 17.8 and the Naver Labs AMBIDEX 18.4. The Zeroth Bridge leads on hardware & engineering, commercial readiness & deployment and ecosystem & viability; the Naver Labs AMBIDEX leads on autonomy & intelligence and manipulation & dexterity.

Who makes the Zeroth Bridge?

The Zeroth Bridge is made by Zeroth, in China.

Embed this score

HMX score: 17.8

Change history · 1 applied update

  • New model New model: Bridge (Zeroth Robotics) (confirmed facts only) 2026-09-21T05:18:32+00:00 · by agent-regrade
Data confidence: low. Some figures for this robot rest on single or conflicting sources, or on manufacturer/aggregator material rather than independent reporting. Treat second-order specs as approximate. Fields marked “—” were genuinely undisclosed and left blank rather than estimated.