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412 robots 9 categories 173 priced

Comparing 4 robots

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

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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.

NEO

Record last checked: 2026-07-09

Stretch 3

Record last checked: 2026-05-26

AI Sapiens K0

Record last checked: 2026-04-24

Sprout

Record last checked: 2026-05-24

Each row compares one spec across your shortlist. Green marks the best value.

Price

NEO
$20,000 USD
Price details

$20,000 Early Access ownership with priority delivery in 2026; $499/month subscription ships later; $200 refundable deposit due today; U.S. deliveries start 2026.

Stretch 3
$24,950 USD
Price details

$24,950 list price (quote / purchase-order flow)

AI Sapiens K0
Price not recorded
Price details

Not yet announced; Dynamixel-Q actuators scheduled for commercial release H2 2026

Sprout
Price not recorded
Price details

Contact sales (Creator Edition available now)

Height

NEO
167cm
Stretch 3
141cm
AI Sapiens K0
1300 mm (1.3 m)
Sprout
107cm

Weight

NEO
30kg
Stretch 3
24.5kg
AI Sapiens K0
34 kg
Sprout
22.7kg

Battery Life

NEO
~4 hours
Stretch 3
2–5 hours
AI Sapiens K0
Not officially disclosed (46.8 V, 9000 mAh battery)Not safely comparable as a typed unit
Sprout
3–3.5 hours (swappable battery)

Max Speed

NEO
Max run speed 6.2 m/s; walking speed 1.4 m/s
Stretch 3
Not disclosed
AI Sapiens K0
Not disclosed
Sprout
Not disclosed

AI

NEO
1X Embodied Intelligence
Stretch 3
Open-source autonomy stack (ROS 2 + Python SDK)
AI Sapiens K0
6 TOPS NPU (int4/int8/int16/FP16/BF16/TF32), Cortex-A76×4 + Cortex-A55×4 CPU, Mali-G610 GPU; NVIDIA Isaac Sim for RL training, imitation learning via leader-follower system
Sprout
NVIDIA Jetson AGX Orin 64GB + 1TB SSD

Sensors

NEO
RGB Cameras, Depth Sensors, Tactile Skin, Microphone Array
Stretch 3
Intel D405 RGBD Camera (gripper), Intel D435if RGBD Camera (head), Wide-Angle RGB Camera (head), Navigation Laser (LiDAR), Microphone Array, High Accuracy Base IMU, ArUco Fingertip Markers
AI Sapiens K0
IMU (inferred from locomotion capability)
Sprout
ZED 2i Stereoscopic Vision, 4× Time-of-Flight Sensors, Torso IMU, Directional Microphone Array

Connectivity

NEO
Wi-Fi, Bluetooth, 5G
Stretch 3
Wi-Fi 6E, Bluetooth, Ethernet, USB
AI Sapiens K0
Wi-Fi 5, Bluetooth 5.0, Ethernet (2×), USB 2.0 (2× USB-A), USB 3.0 (1× USB-C, 1× USB-A)
Sprout
Wi-Fi, Ethernet

Status

NEO
Pre-order
Stretch 3
Active
AI Sapiens K0
Development
Sprout
Active

Category

NEO
Humanoid
Stretch 3
Home Assistants
AI Sapiens K0
Research
Sprout
Humanoid
More specifications (4)

Includes rows even when values are not recorded.

Charging Time

NEO
Not disclosed
Stretch 3
Not disclosed
AI Sapiens K0
Not disclosed
Sprout
Not disclosed

Degrees of Freedom

NEO
N/A
Stretch 3
N/A
AI Sapiens K0
N/A
Sprout
N/A

Voice Assistants

NEO
None
Stretch 3
None
AI Sapiens K0
None
Sprout
Dual Speakers (high fidelity)

Manufacturer

NEO
1X Technologies
Stretch 3
Hello Robot
AI Sapiens K0
ROBOTIS
Sprout
Fauna Robotics

Capabilities

NEO

Adaptive LearningGentle ManipulationHousehold ChoresSafe Human InteractionTidying Up

Stretch 3

10 DOF total (2 base + lift + telescoping arm + 3-DOF wrist + gripper + 2-DOF head)2kg PayloadAssistive CareAutonomous NavigationDexterous Teleop Kit (accessory)Embodied AI Research PlatformFloor-to-Cabinet ReachMobile ManipulationOpen Source SoftwareTeleoperation (Web / Gamepad / Dexterous)

AI Sapiens K0

Bipedal locomotion researchCompliant manipulation and torque controlCustomizable exterior (3D-printable covers and costume options)Dynamic balancing with QDD actuatorsFully open-source hardware and software stackImitation learning via leader-follower data collectionReinforcement learning training in NVIDIA Isaac Sim

Sprout

29 Degrees of Freedom360° Facial LED Array5 DOF Legs6 DOF Arms with 1 DOF GrippersArticulated EyebrowsBipedal WalkingCompliant Motor ControlE-StopFull SDK AccessSafe Human InteractionSocial Behaviors (out of the box)Soft Exterior

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.