Compare · ml frameworks

OpenCV VS scikit-learn_

As of 4 November 2026, scikit-learn is named by 1,639 companies and OpenCV by 812; OpenCV skews to companies under 200 people (53% vs 45%), scikit-learn to companies over 1,000 (30% vs 26%).

As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

The website-and-DNS footprint is not comparable between a marketing suite and a CRM: OpenCV's script and mail records show on hundreds of thousands of small sites, scikit-learn rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.

OpenCV: 2–200 employees
53%
scikit-learn: 2–200 employees
45%
OpenCV: 1,000+ employees
26%
scikit-learn: 1,000+ employees
30%
Postings per company, 90 days
2.0 · 2.3
Website or DNS footprint
0 · 0
812companies name OpenCV
1,639companies name scikit-learn
101name both
1,586 · 3,810postings in 90 days, OpenCV · scikit-learn
02 — Side by side

Who chooses which

Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.

By company size
SegmentOpenCVsharescikit-learnshareLeans
Self-employed314%946%even
2-10 employees10613%23915%even
11-50 employees16320%24315%OpenCV
51-200 employees15920%26316%OpenCV
201-500 employees8711%18611%even
501-1000 employees547%1217%even
1001-5000 employees9211%20713%even
5001-10000 employees304%664%even
10,001+ employees9011%22013%scikit-learn
By industry
SegmentOpenCVsharescikit-learnshareLeans
Manufacturing & industry29536%1539%OpenCV
Technology & software29136%81550%scikit-learn
Business & finance services8110%33220%scikit-learn
Consumer services & leisure364%654%even
Public, community & associations314%493%even
Automotive182%211%even
Media & content172%573%even
Commerce & trade142%463%even
Health care111%181%even
Utilities & infrastructure91%443%even
Property & construction51%161%even
Transport, logistics & rental30%141%even
By country
SegmentOpenCVsharescikit-learnshareLeans
United States43954%89154%even
Germany638%604%OpenCV
United Kingdom486%905%even
India415%1056%even
France304%634%even
Canada142%443%even
Italy132%––outside top 12
Singapore132%191%even
Australia121%241%even
Spain121%282%even
Switzerland101%––outside top 12
Netherlands101%201%even
Brazil––292%outside top 12
Sweden––201%outside top 12
Postings by team (share of each tool's postings)
SegmentOpenCVsharescikit-learnshareLeans
Data & AI94145%3,85276%scikit-learn
Software engineering43621%3347%OpenCV
Engineering (non-software)1658%751%OpenCV
Unclassified613%341%OpenCV
Design & UX261%40%even
research and science231%371%even
Product, program & project management151%371%even
Sales141%250%even
IT operations & business systems100%922%even
arts media and entertainment80%10%even
Administration & office70%30%even
Education & training40%180%even
General management & consulting40%381%even
Customer service & success30%30%even
Marketing & communications30%120%even
skilled trades and field service30%––outside top 12
Finance & accounting20%451%even
manufacturing and production20%––outside top 12
agriculture and environment10%––outside top 12
construction and civil10%30%even
healthcare clinical10%40%even
hospitality and food service10%––outside top 12
public safety and protective services10%––outside top 12
Quality, safety & environment10%40%even
Legal, compliance & risk––190%outside top 12
logistics warehouse and transport––70%outside top 12
Human resources––50%outside top 12
Business development & strategy––10%outside top 12
Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

scikit-learn is named by 1,639 companies in job postings and OpenCV by 812; 101 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/opencv-vs-scikit-learn)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
  • Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
  • SegmentsCountry, size and industry from the company profile built from its website.
  • Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
FAQ

OpenCV vs scikit-learn: questions

Which is more used, OpenCV or scikit-learn?

By companies naming it in their own job postings, scikit-learn (1,639) over OpenCV (812). By website-and-DNS footprint, scikit-learn (0 vs 0), because its scripts and mail records sit on many small company sites.

Who chooses OpenCV?

53% of OpenCV companies have 2 to 200 employees, against 45% for scikit-learn. 26% of OpenCV companies have over 1,000 employees, against 30% for scikit-learn.

Do companies run both?

101 companies name both in their postings, usually OpenCV in marketing and scikit-learn in sales, or during a migration.

Where do these numbers come from?

From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.

Companies and people

Get either list your way

The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.

Every company on either tool,
with the person who owns it

Filter on OpenCV or scikit-learn, and get 1,000 records free.

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