The Stretch 4 is a Mobile Manipulator developed by Hello Robot (United States). Key specifications: arm payload 2.5 kg, arm reach 550 mm, arm dof 7, battery 8 h.
RoboScore
Adequate evidence
No confirmed deployment on record — this score reflects the rest of the record, not verified adoption.
5 of 9 signals present
Recomputed nightly from public data. Missing data is skipped, never zero-filled — and rankings are never for sale.
Weighted factors
average of the 5 scored · blanks don't count
Ranked #19 of 43 in the Mobile Manipulator standing.
See the standingWhere it has stood72 days · best #19 · worst #33
7 days carry something the board can name:
- 1 Oct Its maker's news lifted the score 3.70 — the board noticed.
- 5 Oct Its maker's news lifted the score 0.54 — the board noticed.
- 13 Oct Its maker's news lifted the score 1.81 — the board noticed.
One reading per day since 3 Aug, when the current ordering began. The rank above is the reading for 14 Oct, taken against 43 robots — the standing itself is live, so a robot added since then counts there and not here yet.
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Overview
Calibrated, capable, portable, and deployable - ready to work. It is a mobile manipulator with an arm that has a reach of 55 cm + 6 cm wrist and a payload of 2.5 kg when extended and 4 kg when retracted. The robot weighs 46 kg and has a runtime of 8 hours with light CPU load. It has a height of 160 cm and a footprint of 45 cm diameter. The robot is designed to work safely shoulder to shoulder with people and has features like wide FOV depth sensing, high-resolution RGB, and floor hazard sensing.
At a glance
- Built for pick and place, bin picking and assembly
- Used across e commerce, pharmaceuticals and research
- Public API for integration
- Compatible with ROS
- Backed by a 1-year warranty
Buyer decision signals
Viability
TechCrunch profile published
Price
purchase
Availability
Specifications
Category: Mobile Manipulator- Arm payload
- 2.5 kg
- Arm reach
- 550 mm
- Arm DOF
- 7
- Battery
- 8 h
- ROS
- Yes
Company profile
- Founded
- 2017
Detailed specifications
What it is built for3
- Applications
- pick and place,bin picking,assembly,inspection
- Sub Category
- differential drive
- Industries Served
- e-commerce,pharmaceuticals,research
Sensing & perception10
- Lidar Type
- 2d
- Imu Present
- Yes
- Lidar Count
- 1
- Camera Count
- 4
- Camera Types
- rgb,depth,infrared
- Sensor Suite
- Intel RealSense RGBD camera,Intel RealSense depth camera,4 CH microphone array,RP-Lidar A1 laser range finder,IMU
- Lidar Present
- Yes
- Camera Present
- Yes
- Microphone Present
- Yes
- Vision Processing Location
- on device
Power & runtime1
- Auto Charging
- Yes
Controls & integration4
- Api Available
- Yes
- Onboard Compute
- Onboard Intel NUC 12
- Ros2 Compatible
- Yes
- Connectivity Options
- wifi,ethernet,bluetooth
Buying & support6
- Price Tier
- 40-80K
- Datasheet Url
- Preview PDF online,Preview PDF online
- Pricing Model
- purchase
- Warranty Years
- 1
- Lead Time Weeks
- 2
- Availability Status
- available
Other details5
- Runtime
- 8
- Total Weight
- 46
- Height / Footprint
- 160 cm Height / 45 cm Diameter
- Payload (Arm Retracted)
- 4
- Teleoperation Supported
- Yes
Who runs it· deployment evidence
No deployment evidence on file
A deployment is recorded when a public source names the customer, or the maker confirms it. Nothing here counts against this robot.
1 other robot in this category has one.
Add a deployment →Where to buy
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Every authorized seller serving your region is shown equally — placement is never sold, and this data never affects a robot’s score. A seller’s absence here doesn’t mean they aren’t authorized.
Company milestones
- Jun 2026MilestoneTechCrunch profile published
- Aug 2025MilestoneStretch Robot Pitch Competition opens
- 2026MilestoneWorld Economic Forum recognition
- 2026MilestoneGT Robotics Research Showcase presentation
- 2025MilestoneStretch Robot Pitch Competition winners announced
- 2023LaunchStretch 3 launch
- 2023MilestoneNIH grant to commercialize mobile manipulator technology
- 2020LaunchStretch RE1 introduced
Compare with peers
More by Hello Robot
Hello Robot in the news
the maker8 events · last 12 months
Hello Robot Raises Nearly $3M in Grant Funding
Hello Robot in the news
the maker8 events · last 12 months
News about Hello Robot, the maker — not about this robot specifically, except rows marked this robot. Collected and classified independently across 13 outlets, so a maker cannot add to it. It never changes this robot's RoboScore — the evidence half of the RoboIndex — and it can move it up a board by at most 15 points. See all Hello Robot news
Frequently asked questions
- Who makes the Stretch 4?
- The Stretch 4 is developed by Hello Robot, based in United States.
- What type of robot is the Stretch 4?
- The Stretch 4 is a Mobile Manipulator made by Hello Robot.
- How much does the Stretch 4 cost?
- Pricing for the Stretch 4 is not publicly listed — contact Hello Robot for a quote.
- What are the key specifications of the Stretch 4?
- Key specifications of the Stretch 4: arm payload 2.5 kg, arm reach 550 mm, arm dof 7, battery 8 h, ros Yes.
Reviews for Stretch 4
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