kotaemon
RAG-based chat with your documents
Pricing
Free tier
Flat rate
Adoption
→StableLicense
Open Source
Data freshness
Verified · Jul 5, 2026Overview
What is kotaemon?
An open-source RAG-based tool for chatting with your documents, enabling users to interactively query and retrieve information from their document collections.
Key differentiator
“kotaemon stands out as an open-source, self-hosted RAG tool that allows for flexible document-based chat applications without the need for cloud dependencies.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
API requires Python-specific patterns, TypeScript SDK is community-maintained
v0.1 to v0.2 migration required rewriting chain definitions
Official documentation lacks in-depth tutorials for advanced features
Query response times increase significantly with more than 10,000 documents
Fit analysis
Who is it for?
✓ Best for
Developers looking to integrate RAG capabilities into their projects without cloud dependencies
Teams needing a self-hosted solution for document-based chat applications
✕ Not a fit for
Projects requiring real-time streaming or low-latency responses
Use cases where cloud integration and managed services are preferred over self-hosting
Cost structure
Pricing
Free Tier
Available
Open source — free to use
Starts at
$0
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Alternatives
Next step
Get Started with kotaemon
Step-by-step setup guide with code examples and common gotchas.