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CircleCI VS Jenkins_

As of 4 November 2026, Jenkins is named by 6,457 companies and CircleCI by 671; CircleCI skews to companies under 200 people (54% vs 47%), Jenkins to companies over 1,000 (27% vs 21%).

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: CircleCI's script and mail records show on hundreds of thousands of small sites, Jenkins rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.

CircleCI: 2–200 employees
54%
Jenkins: 2–200 employees
47%
CircleCI: 1,000+ employees
21%
Jenkins: 1,000+ employees
27%
Postings per company, 90 days
1.9 · 4.3
Website or DNS footprint
0 · 0
671companies name CircleCI
6,457companies name Jenkins
538name both
1,263 · 27,488postings in 90 days, CircleCI · Jenkins
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
SegmentCircleCIshareJenkinsshareLeans
Self-employed264%1522%even
2-10 employees639%4988%even
11-50 employees13720%1,07217%CircleCI
51-200 employees15924%1,48723%even
201-500 employees8413%92114%even
501-1000 employees619%5699%even
1001-5000 employees8112%86913%even
5001-10000 employees162%2734%even
10,001+ employees447%61610%Jenkins
By industry
SegmentCircleCIshareJenkinsshareLeans
Technology & software41261%3,57655%CircleCI
Business & finance services11417%1,23919%Jenkins
Media & content365%2083%CircleCI
Manufacturing & industry294%61710%Jenkins
Commerce & trade203%1582%even
Consumer services & leisure122%1392%even
Transport, logistics & rental91%771%even
Utilities & infrastructure81%1192%even
Public, community & associations71%1032%even
Health care71%601%even
Property & construction71%461%even
Automotive51%661%even
By country
SegmentCircleCIshareJenkinsshareLeans
United States41462%3,66357%CircleCI
United Kingdom6510%4176%CircleCI
India274%2744%even
Germany183%3155%Jenkins
Canada173%1612%even
Japan173%––outside top 12
France162%2364%even
Australia81%801%even
United Arab Emirates61%––outside top 12
Sweden61%681%even
Spain41%621%even
Ireland41%––outside top 12
Poland––831%outside top 12
Netherlands––771%outside top 12
Switzerland––691%outside top 12
Postings by team (share of each tool's postings)
SegmentCircleCIshareJenkinsshareLeans
Software engineering1,39375%26,34069%CircleCI
IT operations & business systems1307%3,5579%Jenkins
Data & AI774%2,0445%even
Customer service & success201%1490%even
Engineering (non-software)181%1,1603%Jenkins
Quality, safety & environment151%2551%even
Sales121%1160%even
Product, program & project management90%2731%even
Unclassified70%740%even
Marketing & communications40%110%even
construction and civil30%150%even
Finance & accounting30%200%even
Design & UX20%190%even
General management & consulting20%460%even
Human resources20%70%even
arts media and entertainment10%50%even
Business development & strategy10%30%even
Education & training10%80%even
Legal, compliance & risk10%210%even
logistics warehouse and transport10%80%even
Administration & office––360%outside top 12
hospitality and food service––50%outside top 12
skilled trades and field service––50%outside top 12
manufacturing and production––40%outside top 12
healthcare support and caregiving––20%outside top 12
research and science––20%outside top 12
social care and community––20%outside top 12
healthcare clinical––10%outside top 12
Retail & store operations––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.

Jenkins is named by 6,457 companies in job postings and CircleCI by 671; 538 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/circleci-vs-jenkins)
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

CircleCI vs Jenkins: questions

Which is more used, CircleCI or Jenkins?

By companies naming it in their own job postings, Jenkins (6,457) over CircleCI (671). By website-and-DNS footprint, Jenkins (0 vs 0), because its scripts and mail records sit on many small company sites.

Who chooses CircleCI?

54% of CircleCI companies have 2 to 200 employees, against 47% for Jenkins. 21% of CircleCI companies have over 1,000 employees, against 27% for Jenkins.

Do companies run both?

538 companies name both in their postings, usually CircleCI in marketing and Jenkins 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

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