Best Sierra Alternatives in 2026
Updated
20 platforms from AI customer service agents ranked against Sierra on the same published basis.
- 1Sierra vs Freshdesk
- 2Sierra vs Kore.ai
- 3Sierra vs Kustomer
- 4Sierra vs Zowie
- 5Sierra vs Cognigy
- 6Sierra vs Genesys Cloud Agentic Virtual Agent
- 7Sierra vs Gladly
- 8Sierra vs Ada
- 9Sierra vs Forethought Solve
- 10Sierra vs Mavenoid
- 11Sierra vs Activechat
- 12Sierra vs ASAPP CXP
- 13Sierra vs Inbenta
- 14Sierra vs Pega Customer Service
- 15Sierra vs Gorgias
- 16Sierra vs Webex App
- 17Sierra vs Enjo AI Support Agent
- 18Sierra vs Klaviyo
- 19Sierra vs Dalo
- 20Sierra vs Agentforce Vibes
Sierra alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Freshdesk | 7.4 | Free plan | $19/mo | API |
| 2 | Kore.ai | 6.9 | No | — | API, self-hosted, Web |
| 3 | Kustomer | 6.9 | No | — | Android, API, iOS, Web |
| 4 | Zowie | 6.9 | No | — | Android, API, iOS, self-hosted, Web |
| 5 | Cognigy | 6.8 | No | — | API, self-hosted, Web |
| 6 | Genesys Cloud Agentic Virtual Agent | 6.8 | No | $6.25/mo | API, Web |
| 7 | Gladly | 6.8 | No | — | API, Web |
| 8 | Ada | 6.7 | No | — | Android, API, iOS, Web |
| 9 | Forethought Solve | 6.7 | No | — | API, Web |
| 10 | Mavenoid | 6.7 | No | — | Android, API, iOS, Web |
| 11 | Activechat | 6.6 | No | — | API, self-hosted, Web |
| 12 | ASAPP CXP | 6.6 | No | — | Android, API, iOS, Web |
| 13 | Inbenta | 6.6 | No | — | API, Web |
| 14 | Pega Customer Service | 6.6 | No | — | API |
| 15 | Gorgias | 6.4 | No | — | API |
| 16 | Webex App | 6.0 | Free plan | Free | Android, iOS, Mac, Web, Windows |
| 17 | Enjo AI Support Agent | 5.9 | Free plan | $95/mo | self-hosted, Web |
| 18 | Klaviyo | 5.9 | Free plan | Free | Web |
| 19 | Dalo | 5.8 | Free plan | $10/mo | Web |
| 20 | Agentforce Vibes | 5.7 | Free plan | $125/mo | Web, iOS, Android |
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Questions about Sierra alternatives
What is the best alternative to Sierra?
Freshdesk, number 1 in AI customer service agents with a score of 7.4 out of 10. The others here: Kore.ai, Kustomer, Zowie and 16 more.
What is the best free alternative to Sierra?
Freshdesk is the best-ranked alternative with a free plan. 6 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.