Kastro lets you train ChatGPT on technical docs to make an interactive chatbot for your site, allowing customers to get instant answers and code snippets from your documentation. Experience the power of ChatGPT right on your website!
Kastro lets you train ChatGPT on your technical documentation to create an interactive chatbot for your website.
- for
- Product teams and developers who want AI-powered docs support.
- pricing
- contact sales
Key features
4 features of Kastro
- Doc-based training — Upload or link technical docs so the model learns your content.
- Interactive chatbot — Provides instant answers to visitor questions on your site.
- Code snippet retrieval — Returns relevant code examples from your documentation.
- Website embed — Easily add the chatbot widget to any web page.
Use cases
- Answer customer support questions from product docs.
- Help developers find code examples in API references.
- Guide new users through onboarding documentation.
- Provide instant troubleshooting for internal knowledge bases.
Kastro vs alternatives
 Kastro |  Lovable |  Appsmith |  Zapier |  Bubble | |
|---|---|---|---|---|---|
| Best for | ChatGPT-trained docs chatbot | Chat-based app creation | Low-code internal tools | No-code automation | No-code web app builder |
| Pricing | Contact sales | Subscription | Free | Subscription | Subscription |
| DevHunt upvotes | 5 | 0 | 0 | 0 | 0 |
| Launched | Jan 2023 | — | — | — | — |
- Kastro vs Lovable: Lovable builds AI-driven apps via chat but isn’t focused on training on existing docs.
- Kastro vs Appsmith: Appsmith creates internal tools without AI-doc training.
- Kastro vs Zapier: Zapier automates workflows, not a docs chatbot.
- Kastro vs Bubble: Bubble builds full web apps without AI-trained documentation support.
Kastro FAQ
How does Kastro learn from my documentation?+
You train the ChatGPT model by providing your technical docs, which it uses to generate answers.
Can the chatbot be placed on any website?+
Yes, Kastro provides an embed widget that can be added to any site.
Will the bot return code snippets?+
The chatbot can surface relevant code examples directly from your docs.
Is there a free trial available?+
Pricing details are not listed; contact sales for more information.
Summarized by DevHunt from kastro.chat · Oct 4, 2026. Details may change; check the official site.
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