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178 companies on usedby use at least one of the 8 tools in this category with a public customer. Coveo leads with 44 companies. Then come Listen (40) and AlphaSense (27). 8 companies run two of these tools or more. The most common pair is Coveo with AlphaSense (4 companies).Latest check Oct 8, 2026: 169 of 188 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.
178
companies on usedby use a tool of this category
Companies per tool. A company using two tools counts for both.
Counts include job-post signals, drawn apart on each tool page.
Companies with a public line for each tool. Job-post signals count and are drawn apart in the proof bar.
| # | Tool | Customers | Proof |
|---|---|---|---|
| 1 |  Coveo | 44 | |
| 2 |  Listen | 40 | |
| 3 |  AlphaSense | 27 | |
| 4 |  Perplexity | 26 | |
| 5 |  Algolia | 21 | |
| 6 |  Hebbia | 14 | |
| 7 |  You.com | 10 | |
| 8 |  Otio | 6 |
8 companies run two of these tools or more. The most common pair is Coveo with AlphaSense, at 4 companies.
Coveo44 customersCoveo is used by 44 companies on usedby, 40 confirmed by a case study, a named quote or a press release. Named customers include Adobe, Salesforce, and SAP. Who uses Coveo, AlphaSense vs Coveo
Customer page: coveo.com. Latest check of 43 of 44 lines: Oct 4, 2026.
Listen40 customersListen is used by 40 companies on usedby, 13 confirmed by a case study, a named quote or a press release. Named customers include Microsoft, Procter & Gamble, and Bain & Company. Who uses Listen, ChatGPT vs Listen
Customer page: listenlabs.ai. Latest check of 28 of 40 lines: Oct 2, 2026.
AlphaSense27 customersAlphaSense is used by 27 companies on usedby, 17 confirmed by a case study, a named quote or a press release. Named customers include J.P. Morgan, Microsoft, and Salesforce. Who uses AlphaSense, AlphaSense vs Coveo
Customer page: alpha-sense.com. Latest check of 27 of 27 lines: Oct 7, 2026.
Perplexity26 customersPerplexity is used by 26 companies on usedby, 12 confirmed by a case study, a named quote or a press release. Named customers include Nvidia, Samsung, and PayPal. Who uses Perplexity, ChatGPT vs Perplexity
Customer page: perplexity.ai. Latest check of 22 of 26 lines: Oct 4, 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.
Coveo, used by 44 of the 178 companies on usedby in this category. Then come Listen (40) and AlphaSense (27). Who uses Coveo.
Coveo: 44 companies on usedby, against 40 for Listen.
Yes: 8 of the 178 companies on usedby in this category run two or more. The most common pair is Coveo with AlphaSense (4 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.
