Duckle21 customers
Used by 21 companies on usedby. 2 also use Zendesk AI. Compare Zendesk AI and Duckle
Source: duckie.ai, latest capture Oct 4, 2026.
Zendesk AI alternatives
What Zendesk AI customers also use, ranked by public customers.
4 of the 27 Zendesk AI customers on usedby also use another tool on this list. The tools most often used by the same companies are Duckle (2 shared, 21 customers in all), Sierra (1 shared, 50 customers in all), and Sprinklr (1 shared, 23 customers in all).Latest check Oct 8, 2026: 619 of 640 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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Zendesk AI customers also use another tool on this list
Duckle shares the most companies with Zendesk AI: 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 Zendesk AI. A shared customer has a confirmed or observed line on both tools.
| # | Alternative | Shared with Zendesk AI | Customers | Compare |
|---|---|---|---|---|
| 1 | Duckle | 2 | 21 | Compare Zendesk AI vs Duckle |
| 2 |  Sierra | 1 | 50 | Compare Zendesk AI vs Sierra |
| 3 |  Sprinklr | 1 | 23 | Compare Zendesk AI vs Sprinklr |
| 4 |  Level AI | 1 | 19 | Compare Zendesk AI vs Level AI |
Sierra50 customers
Used by 50 companies on usedby. 1 also uses Zendesk AI. Compare Zendesk AI and Sierra
Source: sierra.ai, latest capture Oct 7, 2026.
Sprinklr23 customers
Used by 23 companies on usedby. 1 also uses Zendesk AI. Compare Zendesk AI and Sprinklr
Source: sprinklr.com, latest capture Oct 8, 2026.
Level AI19 customers
Used by 19 companies on usedby. 1 also uses Zendesk AI. Compare Zendesk AI and Level AI
Source: thelevel.ai, latest capture Oct 8, 2026.
Other Customer Service Automation tools on usedby
Same category, with public customers, but no company named with Zendesk AI 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 |  DevRev28% |  Assembled24% | 25 companies |
| DevTools & Infrastructure | Assembled19% |  Decagon19% | 16 companies |
| Telecommunications |  Cognigy33% |  Sanas27% | 15 companies |
| Insurance & InsurTech |  Parloa50% | Cognigy21% | 14 companies |
| Travel & Hospitality | Cognigy29% | Zendesk AI21% | 14 companies |
Read the first row as: among the 25 Fintech & Payments companies on usedby that use one of these tools, 28% use DevRev. Shares can add up to more than 100% because some companies use two tools.
Questions about Zendesk AI alternatives
Which tool shares the most customers with Zendesk AI?
Duckle: 2 companies use both on usedby. Duckle has 21 customers in all. See who uses Duckle.
Do Zendesk AI customers use other tools too?
4 of the 27 Zendesk AI customers on usedby also use another tool on this list. Duckle shares the most: 2.
Which of Zendesk AI and its alternatives do Fintech & Payments companies on usedby use?
Among the 25 Fintech & Payments companies on usedby that use one of these tools, 28% use DevRev. Assembled comes next, with 24%.
Which of Zendesk AI and its alternatives do DevTools & Infrastructure companies on usedby use?
Among the 16 DevTools & Infrastructure companies on usedby that use one of these tools, 19% use Assembled. Decagon comes next, with 19%.
How does usedby rank Zendesk AI 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.