GitBook vs Perplexity: who uses which
Customers, public proof and the companies that use both.
On usedby, 37 companies use GitBook and 38 use Perplexity. 2 companies use both, including Nvidia and Zoom. GitBook leads among the Artificial Intelligence companies on usedby that use either tool, Perplexity among the Fintech & Payments companies.Latest check Nov 13, 2026: 71 of 75 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 GitBook, Perplexity, or both
Every company with a public proof for at least one of the two tools.
35
listed for GitBook only
2
companies use both
36
listed for Perplexity only
On usedby, 35 companies are listed for GitBook only, 36 are listed for Perplexity only and 2 use both, out of the 73 companies listed for at least one. An absent listing does not prove non-use.
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, Perplexity |
|---|---|
 Nvidia | On or before Feb 2025 |
 Zoom | — |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use GitBook, Perplexity or both: a share of the companies on usedby, not of the market.
Listed for GitBook onlyBothListed for Perplexity only
More common with GitBook
- Artificial Intelligence3 of the 5 Artificial Intelligence companies on usedby that use either tool use GitBook.
More common with Perplexity
- Fintech & Payments5 of the 9 Fintech & Payments companies on usedby that use either tool use Perplexity.
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.
Vendor facts checked: GitBook, 5 of 6; Perplexity, 2 of 6. Missing facts remain unverified, not absent features.
GitBookPerplexityWhat customers report
Results as the vendor or the customer published them, with the source and the date.
GitBook
How Mozilla.ai uses GitBook
Mozilla.ai
Vendor case study, gitbook.com, captured Nov 13, 2026
Perplexity
67% adoption across the company
Rosenxt
Vendor case study, perplexity.ai, captured Nov 11, 2026
How Lambda saves 475+ hours by streamlining technical workflows with Perplexity Enterprise
Lambda
Vendor case study, perplexity.ai, captured Nov 11, 2026
Questions about GitBook and Perplexity
Which is used more, GitBook or Perplexity?
Perplexity has more customers on usedby: 38 against 37 for GitBook. GitBook leads among the Artificial Intelligence companies on usedby that use either tool, Perplexity among the Fintech & Payments companies.
Do companies use both GitBook and Perplexity?
Yes. 2 companies use both on usedby, including Nvidia and Zoom.
Who uses GitBook?
37 companies on usedby, each with the public page that shows it. See who uses GitBook.
Who uses Perplexity?
38 companies on usedby, each with the public page that shows it. See who uses Perplexity.
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.