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 in the Mobile Manipulator standing, against 39 robots.
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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
- 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
Power & runtime1
- Auto Charging
- true
Controls & integration1
- Api Available
- true
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 details4
- Runtime
- 8
- Total Weight
- 46
- Height / Footprint
- 160 cm Height / 45 cm Diameter
- Payload (Arm Retracted)
- 4
Where to buy
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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
In the news
- Hello Robot’s Stretch 4 Brings Home Assistance Robots Out of the Lab and Into Real Homes
CryptoRank · Jun 4, 2026
- Hello Robot unveils Stretch 4 home assistant for everyday tasks
NewsBytes · Jun 4, 2026
- Hello Robot’s latest Stretch 4 is bigger, faster, and stronger than previous versions
The Robot Report · May 12, 2026
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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