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
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Azure AI Search | share | OpenSearch | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 2 | 0% | 30 | 3% | OpenSearch |
| 2-10 employees | 32 | 6% | 64 | 6% | even |
| 11-50 employees | 58 | 10% | 151 | 13% | OpenSearch |
| 51-200 employees | 95 | 17% | 273 | 24% | OpenSearch |
| 201-500 employees | 77 | 14% | 174 | 15% | even |
| 501-1000 employees | 52 | 9% | 115 | 10% | even |
| 1001-5000 employees | 102 | 18% | 157 | 14% | Azure AI Search |
| 5001-10000 employees | 33 | 6% | 59 | 5% | even |
| 10,001+ employees | 111 | 20% | 122 | 11% | Azure AI Search |
| Segment | Azure AI Search | share | OpenSearch | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 234 | 42% | 657 | 57% | OpenSearch |
| Business & finance services | 161 | 29% | 215 | 19% | Azure AI Search |
| Manufacturing & industry | 51 | 9% | 68 | 6% | Azure AI Search |
| Media & content | 18 | 3% | 44 | 4% | even |
| Commerce & trade | 17 | 3% | 41 | 4% | even |
| Utilities & infrastructure | 16 | 3% | 17 | 1% | even |
| Health care | 13 | 2% | 10 | 1% | even |
| Consumer services & leisure | 12 | 2% | 32 | 3% | even |
| Public, community & associations | 10 | 2% | 24 | 2% | even |
| Property & construction | 9 | 2% | – | – | outside top 12 |
| Transport, logistics & rental | 9 | 2% | 11 | 1% | even |
| Automotive | 6 | 1% | 9 | 1% | even |
| Hospitality & travel | – | – | 10 | 1% | outside top 12 |
| Segment | Azure AI Search | share | OpenSearch | share | Leans |
|---|---|---|---|---|---|
| United States | 304 | 54% | 730 | 64% | OpenSearch |
| Germany | 46 | 8% | 45 | 4% | Azure AI Search |
| United Kingdom | 37 | 7% | 85 | 7% | even |
| Canada | 18 | 3% | 25 | 2% | even |
| India | 15 | 3% | 20 | 2% | even |
| Netherlands | 13 | 2% | 11 | 1% | even |
| France | 12 | 2% | 22 | 2% | even |
| Australia | 11 | 2% | 10 | 1% | even |
| Austria | 9 | 2% | – | – | outside top 12 |
| Spain | 9 | 2% | 13 | 1% | even |
| Poland | 9 | 2% | – | – | outside top 12 |
| Sweden | 7 | 1% | 15 | 1% | even |
| Brazil | – | – | 21 | 2% | outside top 12 |
| Switzerland | – | – | 9 | 1% | outside top 12 |
| Segment | Azure AI Search | share | OpenSearch | share | Leans |
|---|---|---|---|---|---|
| Data & AI | 910 | 44% | 776 | 22% | Azure AI Search |
| Software engineering | 443 | 22% | 1,856 | 52% | OpenSearch |
| Marketing & communications | 182 | 9% | 6 | 0% | Azure AI Search |
| IT operations & business systems | 132 | 6% | 430 | 12% | OpenSearch |
| General management & consulting | 33 | 2% | 8 | 0% | even |
| Sales | 19 | 1% | 23 | 1% | even |
| Customer service & success | 15 | 1% | 33 | 1% | even |
| Product, program & project management | 13 | 1% | 67 | 2% | even |
| Business development & strategy | 8 | 0% | – | – | outside top 12 |
| Design & UX | 8 | 0% | 2 | 0% | even |
| Unclassified | 8 | 0% | 7 | 0% | even |
| Engineering (non-software) | 7 | 0% | 32 | 1% | even |
| arts media and entertainment | 3 | 0% | 1 | 0% | even |
| construction and civil | 1 | 0% | – | – | outside top 12 |
| Finance & accounting | 1 | 0% | – | – | outside top 12 |
| Human resources | 1 | 0% | 3 | 0% | even |
| procurement and purchasing | 1 | 0% | – | – | outside top 12 |
| Quality, safety & environment | 1 | 0% | 5 | 0% | even |
| social care and community | 1 | 0% | – | – | outside top 12 |
| Legal, compliance & risk | – | – | 5 | 0% | outside top 12 |
| research and science | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using Azure AI Search →
Companies using OpenSearch →
search engines ranked →
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)
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.
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.
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