Compare robots

Comparison ready

2 robots selected.

The comparison cards start below. Open the editor only when you need to swap the shortlist.

Share
Asimov DIY Kit (Here Be Dragons Edition) ROBOTIS OP3
Edit selected robots
412 robots 9 categories 173 priced

Comparing 2 robots

Green cells flag numeric leaders, while AI, sensors, and capability rows keep the real buying tradeoffs visible.

Asimov DIY Kit (Here Be Dragons Edition)ROBOTIS OP3
Updating comparison...

Sources and record checks

Record checks are not independent testing or confirmation of every claim. Official sites provide manufacturer context; source context explains the record.

Asimov DIY Kit (Here Be Dragons Edition)

Record last checked: 2026-05-25

Official site Source context

ROBOTIS OP3

Record last checked: 2026-05-25

Official site Source context
Each row compares one spec across your shortlist. Green marks the best value.
Asimov DIY Kit (Here Be Dragons Edition) Asimov DIY Kit (Here Be Dragons Edition) ROBOTIS OP3 ROBOTIS OP3

Price

Asimov DIY Kit (Here Be Dragons Edition)
$15,000 USD
Price details

Official Asimov DIY Kit page lists a $15,000 target price and a $499 pre-order deposit, with the remaining balance due before shipment; the official Asimov v1 manual says a deposit refund can be requested with no questions asked.

ROBOTIS OP3
$13,764 USD
Price details

Official ROBOTIS US store listing shows $13,764.35

Height

Asimov DIY Kit (Here Be Dragons Edition)
1.20 m
ROBOTIS OP3
About 510 mm

Weight

Asimov DIY Kit (Here Be Dragons Edition)
35 kg
ROBOTIS OP3
About 3.5 kg (without skin cover)

Battery Life

Asimov DIY Kit (Here Be Dragons Edition)
Not officially disclosed
ROBOTIS OP3
Hot-swappable LiPo packs; official specs list a 3-cell 11.1 V 3300 mAh battery and package contents include two battery packs (runtime not officially specified)Not safely comparable as a typed unit

Max Speed

Asimov DIY Kit (Here Be Dragons Edition)
Not officially disclosed
ROBOTIS OP3
Not disclosed

AI

Asimov DIY Kit (Here Be Dragons Edition)
Robot Cloud API/CLI for high-level agent control; Asimov API for low-level robot data and commands; Virtual Asimov and real-time teleoperation apps; on-robot pre-trained RL walking policy; custom AI agents embodied via Cloud API
ROBOTIS OP3
Intel NUC i3 onboard compute with Intel Core i3 dual-core CPU, 8 GB DDR4 2666 MHz RAM, and 250 GB M.2 SSD; current ROBOTIS e-manual frames the 2025 re-release around ROS 2 + DYNAMIXEL SDK development

Sensors

Asimov DIY Kit (Here Be Dragons Edition)
Monocular camera, IMUs, Microphone, Speaker, Motor joint state sensing
ROBOTIS OP3
Logitech C920 HD Pro Webcam, 3-axis gyroscope, 3-axis accelerometer, 3-axis magnetometer

Connectivity

Asimov DIY Kit (Here Be Dragons Edition)
Bluetooth, Wi-Fi, Ethernet
ROBOTIS OP3
Intel 10/100/1000 Mbps Ethernet, 802.11ax Wi-Fi (2.4 GHz and 5 GHz), Bluetooth 5

Status

Asimov DIY Kit (Here Be Dragons Edition)
Pre-order
ROBOTIS OP3
Available

Category

Asimov DIY Kit (Here Be Dragons Edition)
Research
ROBOTIS OP3
Research
More specifications (4)

Includes rows even when values are not recorded.

Charging Time

Asimov DIY Kit (Here Be Dragons Edition)
Not officially disclosed
ROBOTIS OP3
Not disclosed

Degrees of Freedom

Asimov DIY Kit (Here Be Dragons Edition)
N/A
ROBOTIS OP3
N/A

Voice Assistants

Asimov DIY Kit (Here Be Dragons Edition)
None
ROBOTIS OP3
None

Manufacturer

Asimov DIY Kit (Here Be Dragons Edition)
Menlo Research
ROBOTIS OP3
ROBOTIS

Capabilities

Asimov DIY Kit (Here Be Dragons Edition)

120 Nm peak torque25 + 2 degrees of freedom3D-printable component replacementBasic walking through teleoperationBipedal humanoid experimentationCloud API custom agent embodimentCustom hardware and software extensionDIY full-body humanoid assemblyData collection from camera, audio, IMU, and motor joint statesDirect builder support via documentation and DiscordOff-the-shelf parts repairabilityOpen-source hardware modificationOpen-source software developmentVirtual Asimov digital twin access

ROBOTIS OP3

Battery hot swap for continuous sessionsBipedal locomotion researchComputer vision researchEducation and competition prototypingHumanoid gait and control experimentsROS/ROS 2 software development

How to Compare Robots

Use this flow to get to a clean shortlist fast. The route works best as a dense research workbench, not a marketing page.

1

Choose comparable robots

Start with robots that solve the same job. Use category anchors like Humanoid, Cleaning, Companions, Research before you worry about micro-spec wins.

2

Read the big deltas first

Check price, status, battery, sensors, and capabilities before getting lost in minor spec rows.

3

Switch to differences only

Once you have a shortlist, hide shared rows. That turns the table from a spec dump into a real decision tool.

Cross-category comparisons still have value

A dedicated cleaner versus a home assistant with cleaning features can reveal whether you really need a specialist or just broader household coverage. Compare around the same outcome, not the same marketing language. And when blank-page friction is the problem, use one of the prebuilt quick-start pairings in the workbench above — open one, swap robots, and keep moving.

Making Your Decision

Turn comparison rows into an actual recommendation — not just more reading.

1

Weighted priorities

Not all spec deltas matter equally. Rank your buying criteria before crowning a winner.

  • List must-haves — smart-home platform, clearance, shipping status, or anything that eliminates a robot instantly.
  • Pick your top 3 differentiators — navigation, noise, battery, support, or whatever changes daily use.
  • Score only the finalists against those. The robot that wins your real priorities beats the one with the most green cells.
2

Total cost of ownership

The sticker price is only one row. Subscriptions, consumables, and service access often decide the real winner.

Subscriptions

Cloud AI and premium app tiers can make a cheaper robot more expensive over three years.

Consumables

Brushes, pads, filters, and bags flip the value story on high-frequency robots.

Energy & battery

Large batteries and frequent charging reveal everyday operating demands.

Repair & warranty

Local servicing and spare-parts access are the quietest but most important long-term costs.

3

Environment check

Specs describe ideal conditions. Your rooms, pets, and Wi-Fi determine what actually performs.

  • Floor types — carpet, hardwood, tile, and transition handling.
  • Space layout — open plans vs. multi-room homes with tight doorways.
  • Wi-Fi coverage — cloud-heavy robots need stable signal everywhere.
  • Household — pets, kids, shared spaces, and noise tolerance.

Purchase and deployment access

Available listings: 125. Pre-order listings: 54. Active records: 130. Available indicates an ordering listing, not confirmed stock. Pre-order indicates a reservation listing, not immediate delivery. Active status alone does not confirm public purchase availability or deployment. Other statuses do not establish a current purchase listing. Confirm regional access, stock, reservation terms, and delivery with the manufacturer.

When it's too close to call

If two robots are still neck-and-neck, use softer signals that affect ownership quality more than spec sheets admit.

Return policy User community Ecosystem Aesthetics

Comparison FAQ

Questions buyers ask before the final click

Short answers to the questions that usually show up once the shortlist is live and the tradeoffs feel real.

Frequently Asked Questions

Using the workspace
How many robots can I compare at once?
You can compare up to four robots at once. Two or three is usually the cleanest decision view, but four-way comparisons work well for wider market scans.
What does 'Show differences only' do?
It hides rows where all selected robots share the same value, leaving only the rows that actually change your decision. It is especially useful for same-brand or same-category shortlists.
Can I compare robots from different categories?
Yes. You can compare any of the 412 robots in the database. Cross-category comparisons work best when the robots still compete for the same outcome in your home or workflow.
What makes a good comparison?
The best pairings share at least one real-world anchor: same job, similar price band, same room constraints, or competing brand tier. That keeps the table decision-focused instead of random.
Sharing & shortlisting
How do I share a comparison?
Once you have a live shortlist, a Share this comparison link appears in the workbench. It preserves your selected robots and the differences-only toggle in a permanent URL.
Can I save or bookmark a comparison for later?
Yes. Every live comparison has a stable route, so bookmarking the page preserves the exact configuration you built.
Can I compare by price alone?
Price is one row in the compare table, but if you want pure price sorting first, the all robots page is the better place to shortlist before coming back here.
Data & methodology
Are specifications up to date?
ui44 comparison data is sourced from official manufacturer documentation and re-verified on a rolling basis. Shipping products get the most frequent freshness checks.
What if a spec is missing?
A dash or 'Not specified' usually means the manufacturer has not published the detail clearly. It does not automatically mean the robot lacks the feature.
How should I compare robots at different development stages?
Status labels describe catalog records, not measured operational reliability. Available indicates a purchase listing, not verified stock or shipping dates. Active alone does not confirm public purchase access. Pre-order indicates a reservation listing, not engineering completion or a guaranteed delivery queue position. Development and Prototype identify recorded stages; Discontinued identifies a discontinued listing. Compare documented performance and current manufacturer terms, including any recorded sales notes, for the specific model and region.
Can I compare specific sensors or components more deeply?
Yes. The compare table gives you the side-by-side overview, then the components directory lets you go deeper on shared sensors, radios, and platform pieces across the catalog.