---
title: Module Guides | Developer Documentation
---

We provide a few simple implementations to start, with more sophisticated modes coming soon!

More specifically, the `SimpleChatEngine` does not make use of a knowledge base, whereas all others make use of a query engine over knowledge base.

- [Condense Question Chat Engine](/python/examples/chat_engine/chat_engine_condense_question/index.md)
- [Context Chat Engine](/python/examples/chat_engine/chat_engine_context/index.md)
- [Context Plus Condense Chat Engine](/python/examples/chat_engine/chat_engine_condense_plus_context/index.md)
- [Simple Chat Engine](/python/examples/chat_engine/chat_engine_repl/index.md)