Claude73 customers
Used by 73 companies on usedby. 2 also use Perplexity. Compare Perplexity and Claude
Source: claude.com, latest capture Oct 2, 2026.
Perplexity alternatives
What Perplexity customers also use, ranked by public customers.
8 of the 26 Perplexity customers on usedby also use another tool on this list. The tools most often used by the same companies are Claude (2 shared, 73 customers in all), Glean (2 shared, 49 customers in all), and You.com (2 shared, 10 customers in all).Latest check Oct 8, 2026: 414 of 530 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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Perplexity customers also use another tool on this list
Claude shares the most companies with Perplexity: 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 Perplexity. A shared customer has a confirmed or observed line on both tools.
| # | Alternative | Shared with Perplexity | Customers | Compare |
|---|---|---|---|---|
| 1 | Claude | 2 | 73 | Compare Perplexity vs Claude |
| 2 |  Glean | 2 | 49 | Compare Perplexity vs Glean |
| 3 |  You.com | 2 | 10 | Compare Perplexity vs You.com |
| 4 |  ChatGPT | 1 | 40 | Compare Perplexity vs ChatGPT |
| 5 |  Mistral | 1 | 37 | Compare Perplexity vs Mistral |
| 6 |  GuruMostly Fintech & Payments (4) | 1 | 26 | |
| 7 |  CohereMostly IT Services & System Integration (9) | 1 | 23 | |
| 8 |  HebbiaMostly Investment & VC (4) | 1 | 14 | |
| 9 |  OnyxMostly Fintech & Payments (3) | 1 | 14 |
Glean49 customers
Used by 49 companies on usedby. 2 also use Perplexity. Compare Perplexity and Glean
Source: glean.com, latest capture Oct 7, 2026.
You.com10 customers
Used by 10 companies on usedby. 2 also use Perplexity. Compare Perplexity and You.com
Latest capture across its sources: Oct 8, 2026.
ChatGPT40 customers
Used by 40 companies on usedby. 1 also uses Perplexity. Compare Perplexity and ChatGPT
Latest capture across its sources: Oct 8, 2026.
Mistral37 customers
Used by 37 companies on usedby. 1 also uses Perplexity. Compare Perplexity and Mistral
Source: mistral.ai, latest capture Oct 2, 2026.
Guru26 customers
Used by 26 companies on usedby, 4 of them in Fintech & Payments. 1 also uses Perplexity.
Source: getguru.com, latest capture Oct 5, 2026.
Other AI Search & Research tools on usedby
Same category, with public customers, but no company named with Perplexity yet.
Coveo44 customers
Dust43 customers
Listen40 customers
AlphaSense27 customers
Loopio24 customers
Algolia21 customers
Otio6 customers
Atolio5 customers
OpenAI API5 customers
Sakana AI3 customers
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 | Glean22% | Perplexity19% | 27 companies |
| IT Services & System Integration | Cohere50% | Claude17% | 18 companies |
| Artificial Intelligence | Claude29% | Dust18% | 17 companies |
| DevTools & Infrastructure | Claude38% | ChatGPT19% | 16 companies |
| Data & Analytics | Glean33% | Perplexity20% | 15 companies |
Read the first row as: among the 27 Fintech & Payments companies on usedby that use one of these tools, 22% use Glean. Shares can add up to more than 100% because some companies use two tools.
Questions about Perplexity alternatives
Which tool shares the most customers with Perplexity?
Claude: 2 companies use both on usedby. Claude has 73 customers in all. See who uses Claude.
Do Perplexity customers use other tools too?
8 of the 26 Perplexity customers on usedby also use another tool on this list. Claude shares the most: 2.
Which of Perplexity and its alternatives do Fintech & Payments companies on usedby use?
Among the 27 Fintech & Payments companies on usedby that use one of these tools, 22% use Glean. Perplexity comes next, with 19%.
Which of Perplexity and its alternatives do IT Services & System Integration companies on usedby use?
Among the 18 IT Services & System Integration companies on usedby that use one of these tools, 50% use Cohere. Claude comes next, with 17%.
How does usedby rank Perplexity 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.