Build a support / knowledge-base bot that knows your product
Feed your FAQ and docs to AI and let it answer users' questions 24 hours a day.
A support bot that answers common questions 24 hours a day
3 top picks
Open source, with a built-in knowledge base and workflows; self-hostable.
Free: Free plan (cloud), or self-host the open-source version
Build with no code and publish to multiple chat platforms; free plan has 10 credits per day.
Free: Free plan: 10 credits per day
Designed for support / sales bots, with a free plan.
Free: Free plan ($0)
How to combine them
- 1
Collect the 20–50 most common questions and their standard answers.
- 2
Create a knowledge base in Dify or Coze and upload your documents.
- 3
Test with real questions, fill in the ones it answers poorly, then embed it on your site or chat channels.
How far the free plans go
Dify, Coze and Botpress all have free plans; high conversation volume requires paying or self-hosting.
Prices and limits change often. Data checked on 2026-10-27; the official sites are the final word.
Not for
- Professional answers that carry liability, such as medical, legal or financial