Glean VS Microsoft 365 Copilot
As of 30 October 2026, Microsoft 365 Copilot is named by 326 companies and Glean by 108; Glean skews to companies under 200 people (19% vs 16%), Microsoft 365 Copilot to companies over 1,000 (60% vs 54%).
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: Glean's script and mail records show on hundreds of thousands of small sites, Microsoft 365 Copilot rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Glean: 2–200 employees
- 19%
- Microsoft 365 Copilot: 2–200 employees
- 16%
- Glean: 1,000+ employees
- 54%
- Microsoft 365 Copilot: 1,000+ employees
- 60%
- Postings per company, 90 days
- 3.4 · 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 | Glean | share | Microsoft 365 Copilot | share | Leans |
|---|---|---|---|---|---|
| 2-10 employees | 4 | 4% | 9 | 3% | even |
| 11-50 employees | 9 | 8% | 16 | 5% | Glean |
| 51-200 employees | 8 | 7% | 28 | 9% | even |
| 201-500 employees | 15 | 14% | 32 | 10% | Glean |
| 501-1000 employees | 14 | 13% | 43 | 13% | even |
| 1001-5000 employees | 36 | 33% | 85 | 26% | Glean |
| 5001-10000 employees | 7 | 6% | 37 | 11% | Microsoft 365 Copilot |
| 10,001+ employees | 15 | 14% | 75 | 23% | Microsoft 365 Copilot |
| Self-employed | – | – | 1 | 0% | outside top 12 |
| Segment | Glean | share | Microsoft 365 Copilot | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 61 | 56% | 63 | 19% | Glean |
| Business & finance services | 18 | 17% | 102 | 31% | Microsoft 365 Copilot |
| Manufacturing & industry | 6 | 6% | 76 | 23% | Microsoft 365 Copilot |
| Media & content | 6 | 6% | 4 | 1% | Glean |
| Commerce & trade | 5 | 5% | 14 | 4% | even |
| Property & construction | 3 | 3% | 11 | 3% | even |
| Automotive | 2 | 2% | 5 | 2% | even |
| Consumer services & leisure | 2 | 2% | 11 | 3% | even |
| Utilities & infrastructure | 2 | 2% | 12 | 4% | even |
| Public, community & associations | 1 | 1% | 10 | 3% | Microsoft 365 Copilot |
| Health care | 1 | 1% | 5 | 2% | even |
| Transport, logistics & rental | 1 | 1% | – | – | outside top 12 |
| Hospitality & travel | – | – | 7 | 2% | outside top 12 |
| Segment | Glean | share | Microsoft 365 Copilot | share | Leans |
|---|---|---|---|---|---|
| United States | 87 | 81% | 191 | 59% | Glean |
| United Kingdom | 6 | 6% | 18 | 6% | even |
| Canada | 3 | 3% | 19 | 6% | Microsoft 365 Copilot |
| India | 2 | 2% | – | – | outside top 12 |
| Austria | 1 | 1% | 3 | 1% | even |
| Australia | 1 | 1% | 9 | 3% | even |
| Belgium | 1 | 1% | – | – | outside top 12 |
| China | 1 | 1% | – | – | outside top 12 |
| Spain | 1 | 1% | – | – | outside top 12 |
| Finland | 1 | 1% | – | – | outside top 12 |
| France | 1 | 1% | 9 | 3% | even |
| Ireland | 1 | 1% | – | – | outside top 12 |
| Germany | – | – | 34 | 10% | outside top 12 |
| Denmark | – | – | 7 | 2% | outside top 12 |
| Netherlands | – | – | 5 | 2% | outside top 12 |
| Poland | – | – | 4 | 1% | outside top 12 |
| Switzerland | – | – | 3 | 1% | outside top 12 |
| Italy | – | – | 3 | 1% | outside top 12 |
| Segment | Glean | share | Microsoft 365 Copilot | share | Leans |
|---|---|---|---|---|---|
| Data & AI | 76 | 17% | 174 | 15% | Glean |
| Product, program & project management | 60 | 14% | 87 | 7% | Glean |
| Sales | 46 | 11% | 75 | 6% | Glean |
| Software engineering | 38 | 9% | 75 | 6% | Glean |
| IT operations & business systems | 31 | 7% | 293 | 25% | Microsoft 365 Copilot |
| Marketing & communications | 29 | 7% | 12 | 1% | Glean |
| Customer service & success | 21 | 5% | 10 | 1% | Glean |
| Business development & strategy | 14 | 3% | 13 | 1% | Glean |
| Finance & accounting | 13 | 3% | 32 | 3% | even |
| Design & UX | 9 | 2% | – | – | outside top 12 |
| Human resources | 9 | 2% | – | – | outside top 12 |
| Legal, compliance & risk | 7 | 2% | – | – | outside top 12 |
| General management & consulting | – | – | 33 | 3% | outside top 12 |
| Engineering (non-software) | – | – | 21 | 2% | outside top 12 |
| Administration & office | – | – | 11 | 1% | outside top 12 |
The companies behind each column
Companies using Glean →
Companies using Microsoft 365 Copilot →
ai assistants ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Microsoft 365 Copilot is named by 326 companies in job postings and Glean by 108; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/glean-vs-microsoft-365-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.
Glean vs Microsoft 365 Copilot: questions
Which is more used, Glean or Microsoft 365 Copilot?
By companies naming it in their own job postings, Microsoft 365 Copilot (326) over Glean (108). By website-and-DNS footprint, Microsoft 365 Copilot (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Glean?
19% of Glean companies have 2 to 200 employees, against 16% for Microsoft 365 Copilot. 54% of Glean companies have over 1,000 employees, against 60% for Microsoft 365 Copilot.
Do companies run both?
0 companies name both in their postings, usually Glean in marketing and Microsoft 365 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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