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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.

RoboScore

54.7/ 100

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

Commercial maturity15%75/100
Deployment footprint27%unknown
Proven track record9%unknown
Spec completeness19%96/100
Company financial health11%90/100
Company maturity4%50/100
Manufacturer portfolio5%66/100
Media mentions (trailing 12 months)8%unknown
Independent recognition3%unknown

Ranked #168 of 372 in the Cobot standing.

See the standing
Where it has stood41 days · best #126 · worst #168
#1 · started #126#372

Nothing changed about this robot itself — what you can see is the field shifting around it, or its maker's news rising and ageing.

One reading per day since 3 Aug, when the current ordering began. The rank above is the reading for 12 Sept, taken against 372 robots — the standing itself is live, so a robot added since then counts there and not here yet.

Will it fit your job?

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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.

At a glance

  • Built for screw driving and component insertion
  • Used across Assembly, Dispensing and Material Handling
  • Programmed through drag and drop and proprietary app

Buyer decision signals

Viability

US$100.0M raised in 1 confirmed roundest. 2016

Rizon 10 top honor at Red Dot Design Awards

Specifications

Category: Cobot
Type
seven axis collaborative
Axes
7
Payload
4 kg

Top 80% of 424 models with this spec

Reach
919 mm

Top 64% of 397 models with this spec

Repeatability
±0.05 mm

Top 61% of 368 models with this spec

Weight
21 kg
Safety cert.
CE, ETL
Force limiting
Yes
F/T sensing
none
VerifiedSelf-reportedEstimated

Company profile

Confirmed funding
US$100.0M· 1 round
Founded
2016

Detailed specifications

What it is built for1
Applications
screw driving,component insertion
Controls & integration3
Mounting Options
any angle,AMR,AGV
Software Platform
RoboDK
Programming Interface
drag and drop,proprietary app
Buying & support1
Price Tier
40-80K
Other details3
Assembly Accuracy
10 microns (0.01 mm)
Disturbance Rejection
Excellent
Force Sensing Resolution
Down to 0.05 N

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.

14 other robots in this category have one.

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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

  • 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.

Reviews for Rizon 4s

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