Codex VS GitHub Copilot
As of 4 November 2026, GitHub Copilot is named by 3,165 companies and Codex by 2,265; Codex skews to companies under 200 people (49% vs 32%), GitHub Copilot to companies over 1,000 (39% 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: Codex's script and mail records show on hundreds of thousands of small sites, GitHub Copilot rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Codex: 2–200 employees
- 49%
- GitHub Copilot: 2–200 employees
- 32%
- Codex: 1,000+ employees
- 23%
- GitHub Copilot: 1,000+ employees
- 39%
- Postings per company, 90 days
- 2.6 · 3.3
- 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 | Codex | share | GitHub Copilot | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 125 | 6% | 64 | 2% | Codex |
| 2-10 employees | 256 | 11% | 151 | 5% | Codex |
| 11-50 employees | 369 | 16% | 311 | 10% | Codex |
| 51-200 employees | 477 | 21% | 564 | 18% | Codex |
| 201-500 employees | 305 | 13% | 476 | 15% | even |
| 501-1000 employees | 210 | 9% | 355 | 11% | even |
| 1001-5000 employees | 291 | 13% | 614 | 19% | GitHub Copilot |
| 5001-10000 employees | 76 | 3% | 193 | 6% | GitHub Copilot |
| 10,001+ employees | 156 | 7% | 437 | 14% | GitHub Copilot |
| Segment | Codex | share | GitHub Copilot | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 1,117 | 49% | 1,460 | 46% | Codex |
| Business & finance services | 537 | 24% | 760 | 24% | even |
| Manufacturing & industry | 146 | 6% | 295 | 9% | GitHub Copilot |
| Media & content | 131 | 6% | 118 | 4% | Codex |
| Commerce & trade | 65 | 3% | 95 | 3% | even |
| Consumer services & leisure | 64 | 3% | 91 | 3% | even |
| Public, community & associations | 55 | 2% | 57 | 2% | even |
| Health care | 34 | 2% | 52 | 2% | even |
| Utilities & infrastructure | 31 | 1% | 79 | 2% | even |
| Property & construction | 26 | 1% | 42 | 1% | even |
| Automotive | 23 | 1% | 40 | 1% | even |
| Hospitality & travel | 18 | 1% | – | – | outside top 12 |
| Transport, logistics & rental | – | – | 48 | 2% | outside top 12 |
| Segment | Codex | share | GitHub Copilot | share | Leans |
|---|---|---|---|---|---|
| United States | 1,447 | 64% | 1,829 | 58% | Codex |
| United Kingdom | 151 | 7% | 199 | 6% | even |
| Germany | 137 | 6% | 171 | 5% | even |
| Canada | 46 | 2% | 85 | 3% | even |
| France | 42 | 2% | 72 | 2% | even |
| Sweden | 30 | 1% | 47 | 1% | even |
| India | 24 | 1% | 61 | 2% | even |
| Brazil | 23 | 1% | 45 | 1% | even |
| Japan | 23 | 1% | 38 | 1% | even |
| Netherlands | 23 | 1% | 52 | 2% | even |
| Poland | 20 | 1% | 42 | 1% | even |
| Switzerland | 18 | 1% | – | – | outside top 12 |
| Australia | – | – | 61 | 2% | outside top 12 |
| Segment | Codex | share | GitHub Copilot | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 3,012 | 42% | 7,130 | 58% | GitHub Copilot |
| Data & AI | 1,606 | 22% | 2,043 | 17% | Codex |
| IT operations & business systems | 419 | 6% | 719 | 6% | even |
| Product, program & project management | 357 | 5% | 264 | 2% | Codex |
| Engineering (non-software) | 184 | 3% | 284 | 2% | even |
| Sales | 165 | 2% | 120 | 1% | even |
| Marketing & communications | 142 | 2% | 33 | 0% | even |
| Design & UX | 121 | 2% | 37 | 0% | even |
| Finance & accounting | 95 | 1% | 42 | 0% | even |
| General management & consulting | 58 | 1% | 46 | 0% | even |
| Customer service & success | 47 | 1% | 36 | 0% | even |
| Legal, compliance & risk | 33 | 0% | 13 | 0% | even |
| Unclassified | 27 | 0% | 25 | 0% | even |
| Research and science | 25 | 0% | 12 | 0% | even |
| Business development & strategy | 22 | 0% | 13 | 0% | even |
| Human resources | 22 | 0% | 22 | 0% | even |
| Arts media and entertainment | 15 | 0% | 5 | 0% | even |
| Education & training | 14 | 0% | 23 | 0% | even |
| Logistics warehouse and transport | 11 | 0% | 5 | 0% | even |
| Quality, safety & environment | 10 | 0% | 67 | 1% | even |
| Administration & office | 9 | 0% | 5 | 0% | even |
| Construction and civil | 5 | 0% | 8 | 0% | even |
| Healthcare support and caregiving | 2 | 0% | – | – | outside top 12 |
| Manufacturing and production | 2 | 0% | 13 | 0% | even |
| Procurement and purchasing | 2 | 0% | 1 | 0% | even |
| Facilities cleaning and security | 1 | 0% | – | – | outside top 12 |
| Social care and community | 1 | 0% | – | – | outside top 12 |
| Skilled trades and field service | – | – | 6 | 0% | outside top 12 |
| Healthcare clinical | – | – | 3 | 0% | outside top 12 |
| Public safety and protective services | – | – | 2 | 0% | outside top 12 |
| Retail & store operations | – | – | 2 | 0% | outside top 12 |
| Personal care and wellness | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using Codex →
Companies using GitHub Copilot →
ai coding assistants ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
GitHub Copilot is named by 3,165 companies in job postings and Codex by 2,265; 589 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/codex-vs-github-copilot)
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.
Codex vs GitHub Copilot: questions
Which is more used, Codex or GitHub Copilot?
By companies naming it in their own job postings, GitHub Copilot (3,165) over Codex (2,265). By website-and-DNS footprint, GitHub Copilot (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Codex?
49% of Codex companies have 2 to 200 employees, against 32% for GitHub Copilot. 23% of Codex companies have over 1,000 employees, against 39% for GitHub Copilot.
Do companies run both?
589 companies name both in their postings, usually Codex in marketing and GitHub Copilot 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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