Arista VS Cisco ACI
As of 30 October 2026, Cisco ACI is named by 303 companies and Arista by 309; Arista skews to companies under 200 people (30% vs 25%), Cisco ACI to companies over 1,000 (51% vs 44%).
As of 30 October 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: Arista's script and mail records show on hundreds of thousands of small sites, Cisco ACI rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Arista: 2–200 employees
- 30%
- Cisco ACI: 2–200 employees
- 25%
- Arista: 1,000+ employees
- 44%
- Cisco ACI: 1,000+ employees
- 51%
- Postings per company, 90 days
- 3.5 · 3.7
- 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 | Arista | share | Cisco ACI | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 2 | 1% | 2 | 1% | even |
| 2-10 employees | 20 | 6% | 6 | 2% | Arista |
| 11-50 employees | 27 | 9% | 30 | 10% | even |
| 51-200 employees | 47 | 15% | 41 | 14% | even |
| 201-500 employees | 44 | 14% | 33 | 11% | Arista |
| 501-1000 employees | 34 | 11% | 35 | 12% | even |
| 1001-5000 employees | 61 | 20% | 70 | 23% | Cisco ACI |
| 5001-10000 employees | 21 | 7% | 25 | 8% | even |
| 10,001+ employees | 53 | 17% | 61 | 20% | Cisco ACI |
| Segment | Arista | share | Cisco ACI | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 134 | 43% | 101 | 33% | Arista |
| Business & finance services | 68 | 22% | 103 | 34% | Cisco ACI |
| Manufacturing & industry | 44 | 14% | 23 | 8% | Arista |
| Utilities & infrastructure | 17 | 6% | 8 | 3% | Arista |
| Media & content | 12 | 4% | 5 | 2% | Arista |
| Public, community & associations | 8 | 3% | 12 | 4% | even |
| Commerce & trade | 7 | 2% | 6 | 2% | even |
| Property & construction | 6 | 2% | 25 | 8% | Cisco ACI |
| Consumer services & leisure | 5 | 2% | 6 | 2% | even |
| Health care | 4 | 1% | 4 | 1% | even |
| Automotive | 3 | 1% | 1 | 0% | even |
| Transport, logistics & rental | 1 | 0% | 9 | 3% | Cisco ACI |
| Segment | Arista | share | Cisco ACI | share | Leans |
|---|---|---|---|---|---|
| United States | 222 | 72% | 198 | 65% | Arista |
| United Kingdom | 20 | 6% | 15 | 5% | even |
| Canada | 7 | 2% | 8 | 3% | even |
| Germany | 7 | 2% | 11 | 4% | even |
| France | 7 | 2% | 16 | 5% | Cisco ACI |
| India | 7 | 2% | 4 | 1% | even |
| Poland | 6 | 2% | – | – | outside top 12 |
| Netherlands | 5 | 2% | 3 | 1% | even |
| Singapore | 5 | 2% | 5 | 2% | even |
| Australia | 4 | 1% | 4 | 1% | even |
| Czechia | 2 | 1% | – | – | outside top 12 |
| Italy | 2 | 1% | 3 | 1% | even |
| Belgium | – | – | 6 | 2% | outside top 12 |
| Brazil | – | – | 4 | 1% | outside top 12 |
| Segment | Arista | share | Cisco ACI | share | Leans |
|---|---|---|---|---|---|
| IT operations & business systems | 955 | 67% | 704 | 48% | Arista |
| Software engineering | 107 | 7% | 48 | 3% | Arista |
| Sales | 106 | 7% | 37 | 3% | Arista |
| Engineering (non-software) | 49 | 3% | 408 | 28% | Cisco ACI |
| Product, program & project management | 27 | 2% | 14 | 1% | even |
| Customer service & success | 16 | 1% | 7 | 0% | even |
| Skilled trades and field service | 16 | 1% | 4 | 0% | even |
| Marketing & communications | 7 | 0% | – | – | outside top 12 |
| General management & consulting | 6 | 0% | 4 | 0% | even |
| Arts media and entertainment | 4 | 0% | – | – | outside top 12 |
| Business development & strategy | 4 | 0% | – | – | outside top 12 |
| Data & AI | 4 | 0% | 7 | 0% | even |
| Construction and civil | – | – | 34 | 2% | outside top 12 |
| Quality, safety & environment | – | – | 9 | 1% | outside top 12 |
| Administration & office | – | – | 4 | 0% | outside top 12 |
The companies behind each column
Companies using Arista →
Companies using Cisco ACI →
routing switching wireless ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Cisco ACI is named by 303 companies in job postings and Arista by 309; 47 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/arista-vs-cisco-aci)
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.
Arista vs Cisco ACI: questions
Which is more used, Arista or Cisco ACI?
By companies naming it in their own job postings, Arista (309) over Cisco ACI (303). By website-and-DNS footprint, Cisco ACI (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Arista?
30% of Arista companies have 2 to 200 employees, against 25% for Cisco ACI. 44% of Arista companies have over 1,000 employees, against 51% for Cisco ACI.
Do companies run both?
47 companies name both in their postings, usually Arista in marketing and Cisco ACI 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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