Best CustomGPT.ai Alternatives in 2026
Updated
20 platforms from chatbot builders ranked against CustomGPT.ai on the same published basis.
- 1CustomGPT.ai vs IBM watsonx Assistant
- 2CustomGPT.ai vs Amazon Lex
- 3CustomGPT.ai vs Chat Data
- 4CustomGPT.ai vs Botpress
- 5CustomGPT.ai vs Gupshup
- 6CustomGPT.ai vs DocsBot AI
- 7CustomGPT.ai vs AiSensy
- 8CustomGPT.ai vs Workato Agentic
- 9CustomGPT.ai vs Quickchat AI
- 10CustomGPT.ai vs AnyChat
- 11CustomGPT.ai vs Cognigy
- 12CustomGPT.ai vs ChatLab
- 13CustomGPT.ai vs Ada
- 14CustomGPT.ai vs Haptik
- 15CustomGPT.ai vs Zowie
- 16CustomGPT.ai vs Inbenta
- 17CustomGPT.ai vs Respond.io
- 18CustomGPT.ai vs Mavenoid
- 19CustomGPT.ai vs Sarufi
- 20CustomGPT.ai vs Tars
CustomGPT.ai alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | IBM watsonx Assistant | 9.0 | Free plan | $140/mo | API, self-hosted, Web |
| 2 | Amazon Lex | 8.9 | Free plan | $0.50/mo | Android, API, iOS, Web |
| 3 | Chat Data | 8.8 | Free plan | $15.83/mo | API, self-hosted, Web |
| 4 | Botpress | 8.8 | Free plan | $150/mo | API, Web |
| 5 | Gupshup | 8.7 | Free plan | Free | API, Web |
| 6 | DocsBot AI | 8.7 | Free plan | $49/mo | API, self-hosted, Web |
| 7 | AiSensy | 8.7 | Free plan | $6/mo | Android, API, iOS, Web |
| 8 | Workato Agentic | 8.5 | Free plan | $75/mo | API, Web |
| 9 | Quickchat AI | 8.4 | Free plan | $0.50/mo | API, self-hosted, Web |
| 10 | AnyChat | 8.4 | Free plan | $9/mo | Android, API, iOS, Web |
| 11 | Cognigy | 8.3 | No | — | API, self-hosted, Web |
| 12 | ChatLab | 8.3 | Free plan | $18/mo | API, Web |
| 13 | Ada | 8.2 | No | — | Android, API, iOS, Web |
| 14 | Haptik | 8.2 | No | — | Android, API, iOS, Web |
| 15 | Zowie | 8.0 | No | — | Android, API, iOS, self-hosted, Web |
| 16 | Inbenta | 7.9 | No | — | API, Web |
| 17 | Respond.io | 7.9 | No | $79/mo | Android, API, iOS, Web |
| 18 | Mavenoid | 7.9 | No | — | Android, API, iOS, Web |
| 19 | Sarufi | 7.8 | Free plan | Free | API, Web |
| 20 | Tars | 7.8 | Free plan | $499/mo | API, Web |
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Questions about CustomGPT.ai alternatives
What is the best alternative to CustomGPT.ai?
IBM watsonx Assistant, number 1 in chatbot builders with a score of 9.0 out of 10. The others here: Amazon Lex, Chat Data, Botpress and 16 more.
What is the best free alternative to CustomGPT.ai?
IBM watsonx Assistant is the best-ranked alternative with a free plan. 13 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.