Compare · search engines

Azure AI Search VS OpenSearch_

As of 4 November 2026, OpenSearch is named by 1,145 companies and Azure AI Search by 562; Azure AI Search skews to companies under 200 people (33% vs 43%), OpenSearch to companies over 1,000 (30% vs 44%).

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

Azure AI Search: 2–200 employees
33%
OpenSearch: 2–200 employees
43%
Azure AI Search: 1,000+ employees
44%
OpenSearch: 1,000+ employees
30%
Postings per company, 90 days
3.1 · 2.5
Website or DNS footprint
0 · 0
562companies name Azure AI Search
1,145companies name OpenSearch
61name both
1,733 · 2,907postings in 90 days, Azure AI Search · OpenSearch
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
SegmentAzure AI SearchshareOpenSearchshareLeans
Self-employed20%303%OpenSearch
2-10 employees326%646%even
11-50 employees5810%15113%OpenSearch
51-200 employees9517%27324%OpenSearch
201-500 employees7714%17415%even
501-1000 employees529%11510%even
1001-5000 employees10218%15714%Azure AI Search
5001-10000 employees336%595%even
10,001+ employees11120%12211%Azure AI Search
By industry
SegmentAzure AI SearchshareOpenSearchshareLeans
Technology & software23442%65757%OpenSearch
Business & finance services16129%21519%Azure AI Search
Manufacturing & industry519%686%Azure AI Search
Media & content183%444%even
Commerce & trade173%414%even
Utilities & infrastructure163%171%even
Health care132%101%even
Consumer services & leisure122%323%even
Public, community & associations102%242%even
Property & construction92%––outside top 12
Transport, logistics & rental92%111%even
Automotive61%91%even
Hospitality & travel––101%outside top 12
By country
SegmentAzure AI SearchshareOpenSearchshareLeans
United States30454%73064%OpenSearch
Germany468%454%Azure AI Search
United Kingdom377%857%even
Canada183%252%even
India153%202%even
Netherlands132%111%even
France122%222%even
Australia112%101%even
Austria92%––outside top 12
Spain92%131%even
Poland92%––outside top 12
Sweden71%151%even
Brazil––212%outside top 12
Switzerland––91%outside top 12
Postings by team (share of each tool's postings)
SegmentAzure AI SearchshareOpenSearchshareLeans
Data & AI91044%77622%Azure AI Search
Software engineering44322%1,85652%OpenSearch
Marketing & communications1829%60%Azure AI Search
IT operations & business systems1326%43012%OpenSearch
General management & consulting332%80%even
Sales191%231%even
Customer service & success151%331%even
Product, program & project management131%672%even
Business development & strategy80%––outside top 12
Design & UX80%20%even
Unclassified80%70%even
Engineering (non-software)70%321%even
arts media and entertainment30%10%even
construction and civil10%––outside top 12
Finance & accounting10%––outside top 12
Human resources10%30%even
procurement and purchasing10%––outside top 12
Quality, safety & environment10%50%even
social care and community10%––outside top 12
Legal, compliance & risk––50%outside top 12
research and science––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.

OpenSearch is named by 1,145 companies in job postings and Azure AI Search by 562; 61 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/azure-ai-search-vs-opensearch)
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

Azure AI Search vs OpenSearch: questions

Which is more used, Azure AI Search or OpenSearch?

By companies naming it in their own job postings, OpenSearch (1,145) over Azure AI Search (562). By website-and-DNS footprint, OpenSearch (0 vs 0), because its scripts and mail records sit on many small company sites.

Who chooses Azure AI Search?

33% of Azure AI Search companies have 2 to 200 employees, against 43% for OpenSearch. 44% of Azure AI Search companies have over 1,000 employees, against 30% for OpenSearch.

Do companies run both?

61 companies name both in their postings, usually Azure AI Search in marketing and OpenSearch 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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with the person who owns it

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