CUDA VS NVIDIA NCCL
As of 4 November 2026, NVIDIA NCCL is named by 195 companies and CUDA by 1,133; CUDA skews to companies under 200 people (57% vs 56%), NVIDIA NCCL to companies over 1,000 (18% 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: CUDA's script and mail records show on hundreds of thousands of small sites, NVIDIA NCCL rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- CUDA: 2–200 employees
- 57%
- NVIDIA NCCL: 2–200 employees
- 56%
- CUDA: 1,000+ employees
- 21%
- NVIDIA NCCL: 1,000+ employees
- 18%
- Postings per company, 90 days
- 4.1 · 4.2
- 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 | CUDA | share | NVIDIA NCCL | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 69 | 6% | 16 | 8% | NVIDIA NCCL |
| 2-10 employees | 225 | 20% | 49 | 25% | NVIDIA NCCL |
| 11-50 employees | 218 | 19% | 30 | 15% | CUDA |
| 51-200 employees | 202 | 18% | 31 | 16% | even |
| 201-500 employees | 104 | 9% | 23 | 12% | NVIDIA NCCL |
| 501-1000 employees | 73 | 6% | 10 | 5% | even |
| 1001-5000 employees | 102 | 9% | 9 | 5% | CUDA |
| 5001-10000 employees | 41 | 4% | 6 | 3% | even |
| 10,001+ employees | 99 | 9% | 21 | 11% | NVIDIA NCCL |
| Segment | CUDA | share | NVIDIA NCCL | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 537 | 47% | 125 | 64% | NVIDIA NCCL |
| Manufacturing & industry | 284 | 25% | 29 | 15% | CUDA |
| Business & finance services | 110 | 10% | 9 | 5% | CUDA |
| Public, community & associations | 55 | 5% | 13 | 7% | even |
| Consumer services & leisure | 43 | 4% | 3 | 2% | CUDA |
| Media & content | 36 | 3% | 6 | 3% | even |
| Automotive | 20 | 2% | 2 | 1% | even |
| Utilities & infrastructure | 18 | 2% | 4 | 2% | even |
| Commerce & trade | 13 | 1% | 2 | 1% | even |
| Transport, logistics & rental | 8 | 1% | 2 | 1% | even |
| Property & construction | 5 | 0% | – | – | outside top 12 |
| Health care | 4 | 0% | – | – | outside top 12 |
| Segment | CUDA | share | NVIDIA NCCL | share | Leans |
|---|---|---|---|---|---|
| United States | 768 | 68% | 144 | 74% | NVIDIA NCCL |
| United Kingdom | 78 | 7% | 14 | 7% | even |
| Germany | 45 | 4% | 3 | 2% | CUDA |
| India | 35 | 3% | 4 | 2% | even |
| France | 29 | 3% | 3 | 2% | even |
| Canada | 19 | 2% | 3 | 2% | even |
| Switzerland | 15 | 1% | 3 | 2% | even |
| Australia | 13 | 1% | 3 | 2% | even |
| Spain | 8 | 1% | – | – | outside top 12 |
| Austria | 7 | 1% | – | – | outside top 12 |
| Italy | 7 | 1% | – | – | outside top 12 |
| Singapore | 7 | 1% | 2 | 1% | even |
| United Arab Emirates | – | – | 2 | 1% | outside top 12 |
| South Korea | – | – | 2 | 1% | outside top 12 |
| Belgium | – | – | 1 | 1% | outside top 12 |
| Segment | CUDA | share | NVIDIA NCCL | share | Leans |
|---|---|---|---|---|---|
| Data & AI | 2,187 | 37% | 231 | 22% | CUDA |
| Software engineering | 1,810 | 30% | 263 | 25% | CUDA |
| Engineering (non-software) | 353 | 6% | 48 | 5% | even |
| IT operations & business systems | 216 | 4% | 120 | 11% | NVIDIA NCCL |
| Sales | 109 | 2% | 62 | 6% | NVIDIA NCCL |
| Research and science | 55 | 1% | 2 | 0% | even |
| Product, program & project management | 49 | 1% | 12 | 1% | even |
| Marketing & communications | 30 | 1% | 5 | 0% | even |
| Customer service & success | 19 | 0% | 20 | 2% | even |
| Education & training | 14 | 0% | – | – | outside top 12 |
| Business development & strategy | 12 | 0% | 6 | 1% | even |
| Unclassified | 11 | 0% | – | – | outside top 12 |
| Finance & accounting | 7 | 0% | – | – | outside top 12 |
| Human resources | 6 | 0% | – | – | outside top 12 |
| Construction and civil | 5 | 0% | – | – | outside top 12 |
| General management & consulting | 4 | 0% | – | – | outside top 12 |
| Arts media and entertainment | 2 | 0% | – | – | outside top 12 |
| Design & UX | 2 | 0% | – | – | outside top 12 |
| Skilled trades and field service | 2 | 0% | – | – | outside top 12 |
| Facilities cleaning and security | 1 | 0% | – | – | outside top 12 |
| Travel, leisure & events | 1 | 0% | – | – | outside top 12 |
| Quality, safety & environment | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using CUDA →
Companies using NVIDIA NCCL →
hpc gpu computing ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
NVIDIA NCCL is named by 195 companies in job postings and CUDA by 1,133; 178 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/cuda-vs-nvidia-nccl)
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.
CUDA vs NVIDIA NCCL: questions
Which is more used, CUDA or NVIDIA NCCL?
By companies naming it in their own job postings, CUDA (1,133) over NVIDIA NCCL (195). By website-and-DNS footprint, NVIDIA NCCL (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses CUDA?
57% of CUDA companies have 2 to 200 employees, against 56% for NVIDIA NCCL. 21% of CUDA companies have over 1,000 employees, against 18% for NVIDIA NCCL.
Do companies run both?
178 companies name both in their postings, usually CUDA in marketing and NVIDIA NCCL 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 CUDA or NVIDIA NCCL. Start free, no card.