Shipvane · 4 AE roles
Marco E. · joined Cargolio
Fleetora · first roles in DEChatGPT VS Claude Cowork_
As of 4 November 2026, Claude Cowork is named by 373 companies and ChatGPT by 6,096; ChatGPT skews to companies under 200 people (50% vs 41%), Claude Cowork to companies over 1,000 (31% vs 23%).
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: ChatGPT's script and mail records show on hundreds of thousands of small sites, Claude Cowork rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- ChatGPT: 2–200 employees
- 50%
- Claude Cowork: 2–200 employees
- 41%
- ChatGPT: 1,000+ employees
- 23%
- Claude Cowork: 1,000+ employees
- 31%
- Postings per company, 90 days
- 2.6 · 2.1
- 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 | ChatGPT | share | Claude Cowork | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 249 | 4% | 13 | 3% | even |
| 2-10 employees | 656 | 11% | 31 | 8% | ChatGPT |
| 11-50 employees | 1,070 | 18% | 42 | 11% | ChatGPT |
| 51-200 employees | 1,348 | 22% | 81 | 22% | even |
| 201-500 employees | 858 | 14% | 57 | 15% | even |
| 501-1000 employees | 520 | 9% | 33 | 9% | even |
| 1001-5000 employees | 764 | 13% | 64 | 17% | Claude Cowork |
| 5001-10000 employees | 201 | 3% | 19 | 5% | even |
| 10,001+ employees | 430 | 7% | 33 | 9% | even |
| Segment | ChatGPT | share | Claude Cowork | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 2,202 | 36% | 155 | 42% | Claude Cowork |
| Business & finance services | 1,673 | 27% | 102 | 27% | even |
| Manufacturing & industry | 505 | 8% | 25 | 7% | even |
| Consumer services & leisure | 324 | 5% | 13 | 3% | even |
| Media & content | 312 | 5% | 16 | 4% | even |
| Commerce & trade | 291 | 5% | 10 | 3% | ChatGPT |
| Property & construction | 181 | 3% | 13 | 3% | even |
| Public, community & associations | 146 | 2% | 14 | 4% | even |
| Health care | 117 | 2% | 4 | 1% | even |
| Utilities & infrastructure | 103 | 2% | 11 | 3% | even |
| Hospitality & travel | 99 | 2% | 5 | 1% | even |
| Transport, logistics & rental | 73 | 1% | 3 | 1% | even |
| Segment | ChatGPT | share | Claude Cowork | share | Leans |
|---|---|---|---|---|---|
| United States | 3,391 | 56% | 255 | 68% | Claude Cowork |
| Germany | 577 | 9% | 24 | 6% | ChatGPT |
| United Kingdom | 360 | 6% | 18 | 5% | even |
| India | 182 | 3% | – | – | outside top 12 |
| Canada | 152 | 2% | 11 | 3% | even |
| France | 146 | 2% | 11 | 3% | even |
| Netherlands | 119 | 2% | 2 | 1% | even |
| Brazil | 115 | 2% | 4 | 1% | even |
| Australia | 75 | 1% | 5 | 1% | even |
| Spain | 67 | 1% | 4 | 1% | even |
| Singapore | 60 | 1% | – | – | outside top 12 |
| Poland | 52 | 1% | – | – | outside top 12 |
| Japan | – | – | 4 | 1% | outside top 12 |
| Austria | – | – | 3 | 1% | outside top 12 |
| Denmark | – | – | 3 | 1% | outside top 12 |
| Segment | ChatGPT | share | Claude Cowork | share | Leans |
|---|---|---|---|---|---|
| Marketing & communications | 3,173 | 16% | 63 | 7% | ChatGPT |
| Software engineering | 2,194 | 11% | 68 | 7% | ChatGPT |
| Data & AI | 1,540 | 8% | 173 | 18% | Claude Cowork |
| Sales | 1,316 | 7% | 69 | 7% | even |
| Finance & accounting | 1,162 | 6% | 68 | 7% | even |
| IT operations & business systems | 1,122 | 6% | 79 | 8% | Claude Cowork |
| Product, program & project management | 1,028 | 5% | 84 | 9% | Claude Cowork |
| Design & UX | 610 | 3% | 7 | 1% | ChatGPT |
| Legal, compliance & risk | 484 | 2% | 7 | 1% | even |
| Business development & strategy | 480 | 2% | 25 | 3% | even |
| Administration & office | 456 | 2% | 10 | 1% | even |
| Customer service & success | 427 | 2% | 29 | 3% | even |
| Human resources | 381 | 2% | 24 | 3% | even |
| Education & training | 366 | 2% | 8 | 1% | even |
| General management & consulting | 357 | 2% | 36 | 4% | even |
| Engineering (non-software) | 303 | 2% | 11 | 1% | even |
| arts media and entertainment | 161 | 1% | – | – | outside top 12 |
| Quality, safety & environment | 125 | 1% | – | – | outside top 12 |
| logistics warehouse and transport | 102 | 1% | – | – | outside top 12 |
| Unclassified | 98 | 0% | 1 | 0% | even |
| skilled trades and field service | 83 | 0% | – | – | outside top 12 |
| procurement and purchasing | 72 | 0% | 1 | 0% | even |
| hospitality and food service | 61 | 0% | 2 | 0% | even |
| research and science | 55 | 0% | 7 | 1% | even |
| construction and civil | 49 | 0% | 4 | 0% | even |
| real estate and property | 49 | 0% | 1 | 0% | even |
| Travel, leisure & events | 41 | 0% | – | – | outside top 12 |
| healthcare clinical | 21 | 0% | – | – | outside top 12 |
| manufacturing and production | 21 | 0% | – | – | outside top 12 |
| social care and community | 20 | 0% | – | – | outside top 12 |
| healthcare support and caregiving | – | – | 2 | 0% | outside top 12 |
| personal care and wellness | – | – | 2 | 0% | outside top 12 |
The companies behind each column
Companies using ChatGPT →
Companies using Claude Cowork →
ai assistants ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Claude Cowork is named by 373 companies in job postings and ChatGPT by 6,096; 0 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/chatgpt-vs-claude-cowork)
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.
ChatGPT vs Claude Cowork: questions
Which is more used, ChatGPT or Claude Cowork?
By companies naming it in their own job postings, ChatGPT (6,096) over Claude Cowork (373). By website-and-DNS footprint, Claude Cowork (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses ChatGPT?
50% of ChatGPT companies have 2 to 200 employees, against 41% for Claude Cowork. 23% of ChatGPT companies have over 1,000 employees, against 31% for Claude Cowork.
Do companies run both?
0 companies name both in their postings, usually ChatGPT in marketing and Claude Cowork 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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