Skip to content

Rizon 4s

Built by Flexiv · China

Updated Oct 2026·methodology

Suggest an edit
Made by FlexivRaised US$100M across 1 recorded roundOpen company

#153 of 196 ranked Cobot robots (448 listed)

See the ranking

Watch it work

1 video

RoboScore

54.7/ 100

Out of 100. Checks on sales, customers, specs and track record.

Adequate evidence

No named customers yet. The score uses the rest of its record.

5 of 9 checks have data

Updated daily from public data. Missing data is skipped, never counted as zero.

What counts

Average of the 5 checks with data. Checks without data are left out.

CheckWeightScore
On sale15%75/100
In use27%Not counted yet
Track record9%Not counted yet
Specs on file19%96/100
Funding11%90/100
Company age4%50/100
Other robots5%66/100
News8%Not counted yet
Wikipedia entry3%Not counted yet

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.

Key specs

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

Will it fit your job?

Tell us the job in plain words — we'll show how this robot measures up, line by line.

At a glance

Specifications

From the makerCheckedEstimated
Seven axis collaborative
7
CE, ETL
Yes

97% of cobot robots have it

None
4 kg

Carries more than 19% of 430 Cobot robots with this spec

919 mm

Reaches further than 36% of 402 Cobot robots with this spec

±0.05 mm

More precise than 27% of 372 Cobot robots with this spec

21 kg

Heavier than 26% of 259 Cobot robots with this spec

Company profile

Recorded funding
US$100M· 1 round
Founded
around 2016

Detailed specifications

What it is built for1
Applications
screw driving,component insertion
Sensing & perception1
Yes
Controls & integration3
any angle,AMR,AGV
Software Platform
RoboDK
drag and drop,proprietary app
Buying & support1
40-80K
Other details3
Assembly Accuracy
10 microns (0.01 mm)
Disturbance Rejection
Excellent
Force Sensing Resolution
Down to 0.05 N

Who uses it

No named customer yet

A customer is listed when a public source names them, or the maker adds them.

14 other robots in this category have one.

Add a customer →

Where to buy

Get a price or reach an authorized seller.

No seller listed for your region yet. Ask for a quote.

Where will these robots operate? Often the same as your country — add more for multi-country deployments.

Are you a distributor? List your company, free.

Every seller is shown equally. Placement is never sold and never affects a score.

Company milestones(estimated)

  • 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

Flexiv in the news

the maker

8 events · last 12 months

  • Sep 29Flexiv Robotics Integrates Rizon 4 With NVIDIA Isaac Ecosystem
  • Sep 24Flexiv Rizon 4 adaptive robot now supported in NVIDIA Isaac
  • Jul 25Flexiv Robotics Expands Adaptive Robotics Portfolio With Healthcare and Industrial Innovations

News about Flexiv, the maker, not about this robot specifically, except rows marked this robot. Collected and classified independently across 6 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 Flexiv news

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 US$35,000–65,000 in the Robolist catalogue, but this figure did not come from 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

Loading reviews…

Get pricing from

Flexiv