Glean49 customers
Used by 49 companies on usedby. 2 also use Guru. Compare Guru and Glean
Source: glean.com, latest capture Oct 7, 2026.
4 of the 26 Guru customers on usedby also use another tool on this list. The tools most often used by the same companies are Glean (2 shared, 49 customers in all), Onyx (2 shared, 14 customers in all), and Perplexity (1 shared, 26 customers in all).Latest check Oct 8, 2026: 303 of 349 public lines checked. Customer counts include every proof level, job-post signals included. Shared customers are counted on confirmed or observed lines on both tools.
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Guru customers also use another tool on this list
Glean shares the most companies with Guru: 2 companies use both.
Ranked by shared customers
Tools of the same or a competing category, from another vendor, used by at least one company that also uses Guru. A shared customer has a confirmed or observed line on both tools.
| # | Alternative | Shared with Guru | Customers | Compare |
|---|---|---|---|---|
| 1 | Glean | 2 | 49 | Compare Guru vs Glean |
| 2 |  OnyxMostly Fintech & Payments (3) | 2 | 14 | Compare Guru vs Onyx |
| 3 |  PerplexityMostly Fintech & Payments (5) | 1 | 26 |
Onyx14 customers
Used by 14 companies on usedby, 3 of them in Fintech & Payments. 2 also use Guru. Compare Guru and Onyx
Latest capture across its sources: Oct 5, 2026.
Perplexity26 customers
Used by 26 companies on usedby, 5 of them in Fintech & Payments. 1 also uses Guru.
Source: perplexity.ai, latest capture Oct 4, 2026.
Other Knowledge & Internal Search tools on usedby
Same category, with public customers, but no company named with Guru yet.
Switch signals
A company that left one vendor's page and appeared on another's.
No switch publishedA switch needs a departure from one vendor's page, seen on two checks in a row, and a dated arrival on another. usedby does not publish departures yet, so no switch shows here.
By industry
Which of these tools the companies on usedby use, by industry. Each row counts the companies of that industry on usedby that use at least one of these tools.
| Industry | Most used | Next | Companies |
|---|---|---|---|
| Fintech & Payments | Glean27% | Perplexity23% | 22 companies |
| Artificial Intelligence |  Dust23% | Perplexity23% | 13 companies |
| Data & Analytics | Glean38% | Perplexity23% | 13 companies |
| Marketing Tech | Glean27% |  Listen27% | 11 companies |
| Investment & VC |  Hebbia40% | Perplexity40% | 10 companies |
Read the first row as: among the 22 Fintech & Payments companies on usedby that use one of these tools, 27% use Glean. Shares can add up to more than 100% because some companies use two tools.
Questions about Guru alternatives
Which tool shares the most customers with Guru?
Glean: 2 companies use both on usedby. Glean has 49 customers in all. See who uses Glean.
Do Guru customers use other tools too?
4 of the 26 Guru customers on usedby also use another tool on this list. Glean shares the most: 2.
Which of Guru and its alternatives do Fintech & Payments companies on usedby use?
Among the 22 Fintech & Payments companies on usedby that use one of these tools, 27% use Glean. Perplexity comes next, with 23%.
Which of Guru and its alternatives do Artificial Intelligence companies on usedby use?
Among the 13 Artificial Intelligence companies on usedby that use one of these tools, 23% use Dust. Perplexity comes next, with 23%.
How does usedby rank Guru alternatives?
Only tools of the same or a competing category, from another vendor, count. They are ranked by shared customers: companies with a confirmed or observed line on both tools, from public pages, most with a dated capture. Tools with no shared customer are listed apart. Customer counts include every proof level, job-post signals included.