GitBook vs Tavily: who uses which
Customers, public proof and the companies that use both.
On usedby, 37 companies use GitBook and 19 use Tavily. 1 company uses both, including Amazon. GitBook leads among the Artificial Intelligence companies on usedby that use either tool.Latest check Nov 13, 2026: 56 of 56 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, Tavily, or both
Every company with a public proof for at least one of the two tools.
36
listed for GitBook only
1
company uses both
18
listed for Tavily only
On usedby, 36 companies are listed for GitBook only, 18 are listed for Tavily only and 1 uses both, out of the 55 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 |
|---|
 Amazon |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use GitBook, Tavily or both: a share of the companies on usedby, not of the market.
Listed for GitBook onlyBothListed for Tavily only
More common with GitBook
- Artificial Intelligence3 of the 5 Artificial Intelligence companies on usedby that use either tool use GitBook.
- DevTools & Infrastructure3 of the 5 DevTools & Infrastructure companies on usedby that use either tool use GitBook.
- Fintech & Payments4 of the 5 Fintech & Payments companies on usedby that use either tool use GitBook.
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; Tavily, 0 of 6. Missing facts remain unverified, not absent features.
GitBook
TavilyWhat 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
Tavily
the number of customers using Ocean's agents grew 1.5x
Ocean
Vendor case study, tavily.com, captured Nov 12, 2026
An estimated 20 hours of scraper work saved each month
Astelia
Vendor case study, tavily.com, captured Nov 12, 2026
Questions about GitBook and Tavily
Which is used more, GitBook or Tavily?
GitBook has more customers on usedby: 37 against 19 for Tavily.
Do companies use both GitBook and Tavily?
Yes. 1 company uses both on usedby, including Amazon.
Who uses GitBook?
37 companies on usedby, each with the public page that shows it. See who uses GitBook.
Who uses Tavily?
19 companies on usedby, each with the public page that shows it. See who uses Tavily.
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.