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Rizon 4s

Built by Flexiv · China

Updated May 2026·methodology
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The Rizon 4s is a Cobot developed by Flexiv (China), listed at $35,000–$65,000 USD (unverified). Key specifications: type seven axis collaborative, axes 7, payload 4 kg, reach 919 mm.

Robo Index

A

Strong evidence

6 of 10 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 6 scored · blanks don't count

Commercial maturity15%85/100
Deployment footprint26%unknown
Proven track record9%unknown
Spec completeness19%100/100
Company financial health11%90/100
Company maturity4%50/100
Manufacturer portfolio4%66/100
Media mentions (trailing 12 months)7%unknown
Independent recognition3%unknown
Market momentum1%unknown

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Overview

Discover the Flexiv Rizon 4s. More sensitive. More precise. Seven degrees of freedom, embodied AI, whole-body force sensitivity, and unmatched force control. Elevate efficiency, safety, and innovation with the Flexiv Rizon 4s. Building on the success of the Rizon 4, the Rizon 4s offers enhanced sensitivity for tasks that demand absolute precision. It features a greater reach and an additional 6DoF force/torque flange mounted sensor, enhancing fine force sensing and control for delicate tasks.

Buyer decision signals

Deployments

1 known operator in Singapore

Science Centre Singapore

Viability

$122.0M raisedest. 2016

Rizon 10 top honor at Red Dot Design Awards

Specifications

Category: Cobot
Type
seven axis collaborative
Axes
7
Payload
4 kg
Reach
919 mm
Repeatability
±0.05 mm
Weight
21 kg
Safety cert.
CE, ETL
Force limiting
Yes
F/T sensing
none
VerifiedSelf-reportedEstimated

Company profile

Funding raised
$122.0M
Founded
2016

Detailed specifications

Motion & kinematics1
Assembly Accuracy
10 microns (0.01 mm)
Other9
Price Tier
40-80K
Applications
screw_driving,component_insertion
Deployment Notes
Success stories include applications for NASA and artistic machining installations.
Mounting Options
any angle,AMR,AGV
Software Platform
RoboDK
Disturbance Rejection
Excellent
Programming Interface
drag_and_drop,proprietary_app
Additional Information
Optimal for manufacturing applications including Dispensing, Assembly, and Material Handling.,RoboDK simulation software support enhances usability.,Success stories highlight deployments in dual robot inspection for NASA.
Force Sensing Resolution
Down to 0.05 N

Who runs it· deployment evidence

1 on record · none maker-verified yet. Each links to its source — open it and judge.

Verified — maker-confirmedReported — in a public source, not maker-confirmed

Where to buy

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Company milestones

  • Apr 2023AwardRizon 10 top honor at Red Dot Design Awards
  • Feb 2023LaunchFlexiv launches Moonlight parallel robot
  • Jun 2022AwardRizon 10 wins Red Dot Best of the Best
  • Apr 2022MilestoneRizon 4s shown at ATX West 2022
  • Dec 2020FundingSeries B closed
  • Nov 2020Launch100th adaptive robot announcement mentioning Rizon 4S
  • Nov 2020Launch100th adaptive robot production milestone
  • Nov 2020LaunchRizon 4s production milestone announced

Frequently asked questions

Who makes the Rizon 4s?
The Rizon 4s is developed by Flexiv, based in China.
What type of robot is the Rizon 4s?
The Rizon 4s is a Cobot made by Flexiv.
How much does the Rizon 4s cost?
The Rizon 4s is listed at $35,000–$65,000 USD in the Robolist catalogue, but this figure is unverified and not confirmed by Flexiv — contact them for a quote.
What are the key specifications of the Rizon 4s?
Key specifications of the Rizon 4s: type seven axis collaborative, axes 7, payload 4 kg, reach 919 mm, repeatability ±0.05 mm.

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