Gemini vs Microsoft Copilot: who uses which
Customers, public proof and the companies that use both.
On usedby, 77 companies use Gemini and 4 use Microsoft Copilot. 1 company uses both, including WPP. Gemini leads among the Artificial Intelligence companies on usedby that use either tool.Latest check Oct 19, 2026: 81 of 81 public lines checked. Counts include every proof level, job-post signals included. A company on both tools counts at any proof level, and a job post on one side is marked as such.
Who uses Gemini, Microsoft Copilot, or both
Every company with a public proof for at least one of the two tools.
76
use only Gemini
1
company uses both
1 of them is listed through a job post on one side, the weakest proof.
3
use only Microsoft Copilot
76 companies use only Gemini, 3 use only Microsoft Copilot and 1 uses both, 1 of them through a job post on one side, out of the 80 companies on usedby that use at least one of them.
Who uses both
Companies with a public line on both tools, at any proof level: the strongest proofs come first, and a job post is marked.
| Company | First public proof, Gemini | First public proof, Microsoft Copilot |
|---|---|---|
 WPPjob post for Microsoft Copilot | On or before Oct 2026 | Job post, Sep 2026 |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Gemini, Microsoft Copilot or both: a share of the companies on usedby, not of the market.
Gemini onlyBothMicrosoft Copilot only
More common with Gemini
- Artificial Intelligence13 of the 13 Artificial Intelligence companies on usedby that use either tool use Gemini.
- Data & Analytics6 of the 7 Data & Analytics companies on usedby that use either tool use Gemini.
- Legal & Compliance5 of the 6 Legal & Compliance companies on usedby that use either tool use Gemini.
Source: every usedby line, from confirmed proofs to job-post signals (the weakest proof level).
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Gemini
Microsoft CopilotPricing, security and data residency are not checked yet. usedby adds them from each vendor's public pages, with the date of the check.
What customers report
Results as the vendor or the customer published them, with the source and the date.
Questions about Gemini and Microsoft Copilot
Which is used more, Gemini or Microsoft Copilot?
Gemini has more customers on usedby: 77 against 4 for Microsoft Copilot.
Do companies use both Gemini and Microsoft Copilot?
Yes. 1 company uses both on usedby, including WPP.
Who uses Gemini?
77 companies on usedby, each with the public page that shows it. See who uses Gemini.
Who uses Microsoft Copilot?
4 companies on usedby, each with the public page that shows it. See who uses Microsoft Copilot.
How does usedby count customers?
A company counts when a public page shows it: a vendor's customer page, a case study, a press release or a job post, most saved with a dated capture. Every line is a customer, at one of four proof levels: confirmed, declared by the company itself, observed or signal (a job post, the weakest). A company counts as using both tools when it has a line on each, at any level; the list shows the strongest proofs first and marks job posts.