Shipvane · 4 AE roles
Marco E. · joined Cargolio
Fleetora · first roles in DEIBM CPLEX VS Simulink_
As of 4 November 2026, Simulink is named by 683 companies and IBM CPLEX by 102; IBM CPLEX skews to companies under 200 people (27% vs 38%), Simulink to companies over 1,000 (40% vs 53%).
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: IBM CPLEX's script and mail records show on hundreds of thousands of small sites, Simulink rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- IBM CPLEX: 2–200 employees
- 27%
- Simulink: 2–200 employees
- 38%
- IBM CPLEX: 1,000+ employees
- 53%
- Simulink: 1,000+ employees
- 40%
- Postings per company, 90 days
- 1.8 · 3.9
- 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 | IBM CPLEX | share | Simulink | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 1 | 1% | 15 | 2% | even |
| 2-10 employees | 4 | 4% | 57 | 8% | Simulink |
| 11-50 employees | 9 | 9% | 80 | 12% | Simulink |
| 51-200 employees | 15 | 15% | 120 | 18% | Simulink |
| 201-500 employees | 5 | 5% | 93 | 14% | Simulink |
| 501-1000 employees | 14 | 14% | 47 | 7% | IBM CPLEX |
| 1001-5000 employees | 18 | 18% | 92 | 13% | IBM CPLEX |
| 5001-10000 employees | 7 | 7% | 41 | 6% | even |
| 10,001+ employees | 29 | 28% | 138 | 20% | IBM CPLEX |
| Segment | IBM CPLEX | share | Simulink | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 33 | 32% | 72 | 11% | IBM CPLEX |
| Manufacturing & industry | 16 | 16% | 334 | 49% | Simulink |
| Transport, logistics & rental | 12 | 12% | 9 | 1% | IBM CPLEX |
| Business & finance services | 9 | 9% | 90 | 13% | Simulink |
| Utilities & infrastructure | 9 | 9% | 29 | 4% | IBM CPLEX |
| Commerce & trade | 8 | 8% | 10 | 1% | IBM CPLEX |
| Public, community & associations | 4 | 4% | 26 | 4% | even |
| Consumer services & leisure | 4 | 4% | 20 | 3% | even |
| Health care | 2 | 2% | 5 | 1% | even |
| Media & content | 2 | 2% | 11 | 2% | even |
| Property & construction | 2 | 2% | 15 | 2% | even |
| Automotive | 1 | 1% | 61 | 9% | Simulink |
| Segment | IBM CPLEX | share | Simulink | share | Leans |
|---|---|---|---|---|---|
| United States | 71 | 70% | 414 | 61% | IBM CPLEX |
| Germany | 5 | 5% | 46 | 7% | even |
| France | 4 | 4% | 37 | 5% | even |
| United Kingdom | 4 | 4% | 42 | 6% | Simulink |
| Canada | 2 | 2% | 10 | 1% | even |
| Austria | 1 | 1% | 5 | 1% | even |
| Australia | 1 | 1% | – | – | outside top 12 |
| Brazil | 1 | 1% | – | – | outside top 12 |
| Switzerland | 1 | 1% | 7 | 1% | even |
| Czechia | 1 | 1% | – | – | outside top 12 |
| Spain | 1 | 1% | 7 | 1% | even |
| Finland | 1 | 1% | – | – | outside top 12 |
| Sweden | – | – | 16 | 2% | outside top 12 |
| Netherlands | – | – | 13 | 2% | outside top 12 |
| India | – | – | 12 | 2% | outside top 12 |
| Italy | – | – | 11 | 2% | outside top 12 |
| Segment | IBM CPLEX | share | Simulink | share | Leans |
|---|---|---|---|---|---|
| Data & AI | 110 | 45% | 39 | 1% | IBM CPLEX |
| Software engineering | 19 | 8% | 469 | 14% | Simulink |
| IT operations & business systems | 14 | 6% | 29 | 1% | IBM CPLEX |
| Engineering (non-software) | 11 | 4% | 2,100 | 63% | Simulink |
| research and science | 8 | 3% | 42 | 1% | even |
| Legal, compliance & risk | 5 | 2% | 6 | 0% | even |
| logistics warehouse and transport | 4 | 2% | 1 | 0% | even |
| Finance & accounting | 3 | 1% | – | – | outside top 12 |
| General management & consulting | 3 | 1% | – | – | outside top 12 |
| Education & training | 1 | 0% | 6 | 0% | even |
| healthcare clinical | 1 | 0% | 2 | 0% | even |
| hospitality and food service | 1 | 0% | – | – | outside top 12 |
| Sales | 1 | 0% | 14 | 0% | even |
| Quality, safety & environment | – | – | 19 | 1% | outside top 12 |
| Product, program & project management | – | – | 18 | 1% | outside top 12 |
| skilled trades and field service | – | – | 8 | 0% | outside top 12 |
| Design & UX | – | – | 5 | 0% | outside top 12 |
| Unclassified | – | – | 4 | 0% | outside top 12 |
| construction and civil | – | – | 2 | 0% | outside top 12 |
| Customer service & success | – | – | 2 | 0% | outside top 12 |
| procurement and purchasing | – | – | 2 | 0% | outside top 12 |
| Marketing & communications | – | – | 1 | 0% | outside top 12 |
| public safety and protective services | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using IBM CPLEX →
Companies using Simulink →
technical computing ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Simulink is named by 683 companies in job postings and IBM CPLEX by 102; 0 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/cplex-vs-simulink)
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.
IBM CPLEX vs Simulink: questions
Which is more used, IBM CPLEX or Simulink?
By companies naming it in their own job postings, Simulink (683) over IBM CPLEX (102). By website-and-DNS footprint, Simulink (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses IBM CPLEX?
27% of IBM CPLEX companies have 2 to 200 employees, against 38% for Simulink. 53% of IBM CPLEX companies have over 1,000 employees, against 40% for Simulink.
Do companies run both?
0 companies name both in their postings, usually IBM CPLEX in marketing and Simulink 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.
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 IBM CPLEX or Simulink, and get 1,000 records free.