Guru26 customers
Used by 26 companies on usedby, 4 of them in Fintech & Payments. 2 also use Onyx. Compare Onyx and Guru
Source: getguru.com, latest capture Oct 5, 2026.
3 of the 14 Onyx customers on usedby also use another tool on this list. The tools most often used by the same companies are Guru (2 shared, 26 customers in all), Coveo (1 shared, 44 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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Onyx customers also use another tool on this list
Guru shares the most companies with Onyx: 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 Onyx. A shared customer has a confirmed or observed line on both tools.
| # | Alternative | Shared with Onyx | Customers | Compare |
|---|---|---|---|---|
| 1 | GuruMostly Fintech & Payments (4) | 2 | 26 | Compare Onyx vs Guru |
| 2 |  Coveo | 1 | 44 | |
| 3 |  PerplexityMostly Fintech & Payments (5) | 1 | 26 |
Coveo44 customers
Used by 44 companies on usedby. 1 also uses Onyx.
Source: coveo.com, latest capture Oct 4, 2026.
Perplexity26 customers
Used by 26 companies on usedby, 5 of them in Fintech & Payments. 1 also uses Onyx.
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 Onyx 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 Onyx alternatives
Which tool shares the most customers with Onyx?
Guru: 2 companies use both on usedby. Guru has 26 customers in all. See who uses Guru.
Do Onyx customers use other tools too?
3 of the 14 Onyx customers on usedby also use another tool on this list. Guru shares the most: 2.
Which of Onyx 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 Onyx 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 Onyx 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.