Search engines connected to all internal company data (RAG)
156 companies on usedby use at least one of the 6 tools in this category with a public customer. Glean leads with 49 companies. Then come Dust (43) and Guru (26). 5 companies run two of these tools or more. The most common pair is Glean with Guru (2 companies).Latest check Oct 8, 2026: 134 of 161 public lines checked. Counts are of companies on usedby, not of the whole market: we list a company when a public page shows its AI tools.
156
companies on usedby use a tool of this category
Companies with a public line for each tool. Job-post signals count and are drawn apart in the proof bar.
| # | Tool | Customers | Proof |
|---|---|---|---|
| 1 |  Glean | 49 | |
| 2 |  Dust | 43 | |
| 3 |  Guru | 26 | |
| 4 |  Loopio | 24 | |
| 5 |  Onyx | 14 | |
| 6 |  Atolio | 5 |
5 companies run two of these tools or more. The most common pair is Glean with Guru, at 2 companies.
Glean49 customersGlean is used by 49 companies on usedby, 30 confirmed by a case study, a named quote or a press release. Named customers include Samsung, Booking.com, and Time. Who uses Glean, Dust vs Glean
Customer page: glean.com. Latest check of 43 of 49 lines: Oct 8, 2026.
Dust43 customersDust is used by 43 companies on usedby, 37 confirmed by a case study, a named quote or a press release. Named customers include Doctolib, Mirakl, and Qonto. Who uses Dust, Dust vs Glean
Customer page: dust.tt. Latest check of 24 of 43 lines: Oct 5, 2026.
Guru26 customersGuru is used by 26 companies on usedby, 11 confirmed by a case study, a named quote or a press release. Named customers include DHL, Intuit, and Riot Games. Who uses Guru, Glean vs Guru
Customer page: getguru.com. Latest check of 24 of 26 lines: Oct 5, 2026.
Loopio24 customersLoopio is used by 24 companies on usedby, 18 confirmed by a case study, a named quote or a press release. Named customers include Cisco, Siemens, and Docusign. Who uses Loopio, AlphaSense vs Loopio
Customer page: loopio.com. Latest check of 24 of 24 lines: Oct 8, 2026.
Companies first listed by a tool of this category in the last 90 days.
Side-by-side pages with the companies behind each tool.
Answers drawn from usedby data.
Glean, used by 49 of the 156 companies on usedby in this category. Then come Dust (43) and Guru (26). Who uses Glean.
Glean: 49 companies on usedby, against 43 for Dust. 1 company uses both, counting confirmed and observed lines only.
Yes: 5 of the 156 companies on usedby in this category run two or more. The most common pair is Glean with Guru (2 companies).
By the number of companies with a public line for each tool, read from dated captures of vendor customer pages, case studies, press releases and job posts. Job-post signals count in the totals and are shown apart. usedby lists a company when a public page shows it, so these counts describe the companies on usedby, not the whole market.
