Unitree B2IIAssistedCompare

Revealed 2023.11Reassessed 2026.08.25Compare

Unitree B2

Name: Unitree B2
Brand: Unitree

132 lb frame carries 88.2 lb payload across rough terrain. Teleoperation fallback and human supervision required for all deployments.

List price

$100,000

Revealed 2023.11Reassessed 2026.08.25

Autonomy Ladder

Why Level II.

One five-rung scale, every category, from acting only on command to working unsupervised anywhere.

VGeneralized AutonomyAny task, any setting. No consumer robot has reached it.
IVEnvironmental AutonomyCopes with everyday clutter and frees itself, shown by independent testing.
IIIConditional AutonomyFinishes whole jobs in familiar spaces; struggles at the edges.
To reach Level IIIMost sessions finish without intervention. Rescue is occasional, not routine.
IIAssisted AutonomyThis robot

Unitree B2 runs preset routines on its own, and the owner is its recovery system.

Navigation and control

1x 3D LiDAR, 2x depth cameras, 2x optical cameras and an IMU, with operator teleoperation fallback
Why this level
- Teleoperation required for all operations; operators assume direct control when autonomous mode encounters obstacles or navigation ambiguity.
- This dependency caps autonomy at Level II (assisted autonomy).
4 independent sources reviewed, 4 from the maker
IManual AutomationOne action on command; no independent operation.

How we assign a level →

Behind the classification

Sources on file.

Provisional4 independent sources reviewed, 4 from the maker

Two to four independent sources reviewed. Gaps remain across source types. The word says how much we read. It is not a grade.

Independent sources reviewed4

Monitoring record4 sources

Sources behind the tracker entries following this robot.

From the maker, reviewed4

Manufacturer documentation1 source

Unitree B2 official specification sheet and deployment datasheet (payload, speed, obstacle rating).

Unitree B2 published specificationsUnitree

Specification sources2 sources

Pages the published specifications were read from.

Monitoring record1 source

Sources behind the tracker entries following this robot.

Unitree Robotics Official Product PageUnitree Robotics Official Product Page

Our own recordNot counted

Longitudinal signal2 sources

Robovations dated log for this robot: 4 tracked entries spanning ~33 months.

Also monitored, nothing listed yet

Press & video reviews

CES 2024 and ICRA 2024 coverage of quadruped logistics platform; field deployment case studies pending.

How we evaluate evidence →

Human Readiness

Not consumer-ready.

One question: what does buying this robot today walk you into? The state is computed from the record, and recomputed daily.

Not consumer-readyThis robot

Unitree B2 ships to commercial and research buyers, not to households.

The readiness scale measures household purchase timing, so no tier applies. A consumer version reaching general availability would start the clock.

On the record

Shipping since November 2023 · 36 months on the market
Retail listings on file: Amazon
No current new-stock listing confirmed
4 independent sources reviewed, 4 from the maker

The scale, for reference

Ready NowAssessed, with a clean record on file. A successor may be shipping; the page says so when it is.
New to MarketOn sale under 90 days; the ownership record is still forming.
WaitA successor is announced and has not shipped; re-read the decision when it arrives.
Known IssuesDocumented problems stand on the record; read the case before buying.

How we assess readiness →

Pre-Consumer Assessment

How this projection was reached

75of 100

PromisingAt or above 90% of the 104 robots we assess before release

SpeculativeConceptPlausiblePromisingReady

The hatched tail is unreachable by construction. A projection does not publish as a full mark, because the evidence that settles it does not exist yet: whether the thing ships and works in ordinary use. Those 10 points are what shipping has to earn.

Held below its arithmetic75 → 75

Capped at 75: nothing is pre-order ready without a date, a price and regulatory evidence (readiness is 46, below the floor of 60).

The reading

Benefits from its maker's proven high-volume manufacturing and broad market reach, but independently verified deployments specific to this model are limited, and known actuator wear characteristics plus an unresolved security disclosure temper confidence in long-duration industrial reliability.

Three signals the number rests onweighted, then capped75What can be judged before anyone owns one.

Track Record35% of the assessment70

What this asks

Has this maker shipped what it demoed before, on schedule, with the promised capability?

Engineering35% of the assessment86

What this asks

Are the demonstrated capabilities achievable in shipping form, or do they need breakthroughs not in evidence?

Demo Match30% of the assessment69

What this asks

What has been shown to work, against what is claimed in marketing.

Published beside the numbernever averaged inWhat the maker has disclosed, not what has been judged.

Readinessnot in the number46

What this asks

Ship-date specificity, pricing transparency, distribution and regulatory status. Published beside the number; never averaged in.

Disclosurenot in the number64

What this asks

How much of the product is disclosed. Higher means fewer fundamental unknowns remain. Published beside the number; never averaged in.

middle half of the pre-release setits medianthis robot

Not a Robovations Scorethe two never convert into each other

This is a projection from pre-shipping signals, not a measurement. When the robot ships, the assessment is archived, a first Robovations Score is computed from the field record, and the change is logged on the tracker rather than appearing as a new number.

Read the pre-release method →

FIT CHECK

Will the Unitree B2 fit your application?

Describe your use case using the controls. Each choice reads the spec sheet for you, flagging where the Unitree B2 is built for your space and where it isn’t.

Buyer profile

Operating site

Primary task

Support model

A classification of fit for the conditions you set, not a recommendation. Verdicts describe engineering design intent, not test results.

SPECIFICATION

The full spec sheet.

Priced above the category median, with every figure charted against the category below.

Dimensional drawing

Key specificationsManufacturer-publishedSources: Owner manual Manufacturer support Product page

FootprintThe width, depth and height of the robot itself, without its dock.: 17.7 × 43.2 in, 25.4 in tall•
WeightThe robot alone, without its dock, as the maker states it.: 132 lbs•
BatteryStored energy in watt-hours; a larger pack runs longer, not harder.: 2,250 Wh · Li-Po
Wi-FiThe bands the robot can join; many models need a 2.4 GHz network to set up.: Supported
NetworkA radio the robot carries besides Wi-Fi, so it reaches the maker without your router.: Cellular
Payload: 88.2 lb•
Max speed: 13.4 mph•
Degrees of Freedom: 12•

Where it lands · position among 46 specialty robotsThis robotMedianTypical range

RuntimeThe maker's stated running time on one charge, at a standard setting.300min

30 min1,080 min

Near median

PriceThe maker's list price, not a price found in a shop.$100,000

$29$100,000

Top of range

Charge timeTime from empty to full on the dock, as the maker states it.200min

30 min360 min

Near median

WeightThe robot alone, without its dock, as the maker states it.132lbs

0.09 lbs131.59+ lbs

Top of range

Position shows where the figure sits across the tracked category, not a quality judgment.

Official referencesOwner manual Manufacturer support Product page

RECORD

How the assessment has moved.

Every announcement, release and reassessment behind the current classification.

Coming soon

Just launched

Active updates

Settled

Discontinued

Oct 2026 · AssessmentPre-Release Assessment method revised: 69 → 75
Aug 2026 · AssessmentPre-Release Assessment revised 57 → 69
Aug 2026 · NewsUnitree Sets August 10 Subscription for $620 Million Shanghai IPO
Jul 2026 · AssessmentPre-Release Assessment recorded at 57 of 100
Jun 2025 · NewsEnters utility and substation inspection deployments in 2025
May 2024 · DemoDemonstrated at ICRA 2024 in logistics inspection scenarios
Nov 2023 · ReleaseIndustrial quadruped released to enterprise customers

Questions

What people actually ask.

4 answered

CompatibilityDoes the Unitree B2 require wireless network coverage to operate?

Teleoperated control depends on a low-latency link, but Unitree publishes no network specification or recommendation for the B2. The interfaces Unitree does document on the compute module are 4x gigabit Ethernet and 4x USB 3.0.

OperationWhat terrain can the B2 climb, and how does mud or wet grass affect traction?

Unitree publishes a 15.7 in forward stair climb, with 7.9 to 9.8 in the working figure for continuous stair sequences, and a slope rating greater than 45 degrees. Surface conditions still govern the result, and Unitree publishes no traction figures for mud, wet grass, or ice.

OperationHow long does the battery last under full 88.2 lb payload?

Unitree publishes both loaded and unloaded endurance. Unladen, continuous walking runs over 5 hours for more than 20 km of range; carrying a load, over 4 hours for more than 15 km. The pack is 45 Ah / 2250 Wh at 58 V, with a stated 4 to 6 hour battery life. Terrain and gait profile move the result within that band.

OperationCan the B2 operate unsupervised indoors, or does it require constant operator control?

Supervised operation with operator fallback is mandatory. The platform demonstrates autonomous navigation only in pre-trained routes; complex environments require teleoperated intervention.

Availability

Where it's sold

Some links earn Robovations a commission. It does not change any classification. Affiliate disclosure.

We are no longer finding a current new-stock listing for this robot. Remaining offers may be used, refurbished, or third-party — confirm the condition and price on the retailer’s page before buying.

Amazon See current listings

Cite & Embed

Reference the Unitree B2 classification.

Embed the Autonomy Ladder™ mark or copy the citation. The mark is served from this record, so a reassessment updates it on your page automatically.

Get the embed code and citation

124161

268112

Clear space 3222 on all sides

Embed code

Scale proportionally only, up to 2× (536px wide)(224px wide). No recoloring, cropping, rotating, or re-typesetting.

Citation

Robovations. "Unitree B2: Autonomy Level II (Assisted Autonomy)." Autonomy Ladder™, assessed August 2026. https://robovations.com/robots/unitree-b2/

Link it. The mark must point at this record. An unlinked mark is not authorized.
Hot-link it. Never download, self-host, or re-upload the image. A saved copy stops updating, and a mark that has stopped updating is a claim we no longer stand behind.
A classification, not an endorsement. It may not appear beside language implying Robovations recommends, rates, or approves the product.

Where to next

Three ways to keep going.

For evaluators

Compare with a peer.

See the Unitree B2 and Pollen Robotics Reachy 2 side by side: autonomy level, Robovations Score, readiness, and price. Classification, not a verdict.

See the full comparison

Or compare with LOVOT 3.0, Dreame Cyber X, Starship Delivery Robot.

For browsers

See every Level II.

Every robot we’ve classified at assisted autonomy. Sorted by readiness, score, and price. Filter by category, manufacturer, or release date.

Browse every Level II robot

Updated weekly with new entries and reclassifications.

Unitree B2

Will the Unitree B2 fit your application?

The full spec sheet.

How the assessment has moved.

What people actually ask.

Unitree B2 in the analysis archive.

Unitree’s founder moved his own AI breakthrough timeline a year closer

Are robot vacuums banned in the US? What the FCC Covered List changes

Other specialty robots we have classified.

Sony Aibo ERS-1000

Pollen Robotics Reachy 2

Sharp Poketomo

Litter-Robot 4

Where it's sold

Reference the Unitree B2 classification.

Three ways to keep going.

Get the next reassessment.

Compare with a peer.

See every Level II.