WordPress plugin comparison
Costello AI Chat vs Zendesk Chat
At a glance
- Zendesk Chat has more active installs: 10K+, against fewer than 10 for Costello AI Chat.
- On a typical day, Zendesk Chat is downloaded about 37 times, Costello AI Chat about 3.
- Costello AI Chat has no reviews yet.
- Costello AI Chat was updated more recently: Jun 2, 2026, against Aug 20, 2020 for Zendesk Chat.
- Costello AI Chat is tested with a newer WordPress: 7.0.8, against 5.5.24 for Zendesk Chat.
- Zendesk Chat has been around longer: since 2010, against 2026 for Costello AI Chat.
Line by line
Level: each leads on 3 of 6 comparable lines.
| Metric |  Costello AI Chat |  Zendesk Chat |
|---|---|---|
| Popular rank | #66,228 | #1,940 |
| Active installs | Fewer than 10 | 10K+ |
| Downloads, last 30 days | 71 | 914 |
| Rating | No ratings | 4.0(27) |
| Support threads resolved | – | – |
| Tested up to | 7.0.8 | 5.5.24 |
| Search multiplier | ×0.05 | ×0.00 |
| Last release | 5 months ago | 6 years ago |
| Requires PHP | 7.4 | – |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
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