All Projects
AI Chatbot SaaS
ai
A multi-tenant chatbot platform that lets businesses create AI assistants trained on their own documentation, FAQs, and knowledge bases using Retrieval-Augmented Generation.
The Problem
Businesses wanted AI chatbots that could answer questions about their specific products and services, but training custom models was prohibitively expensive and complex.
Tech Stack
Next.jsPythonLangChainPineconeOpenAIRedisPostgreSQL
Key Features
Custom knowledge base creation
Multi-format document ingestion
Streaming AI responses
Conversation history
Analytics & usage tracking
Embeddable widget
Architecture
Chat Widget
Dashboard
Python API
LangChain Pipeline
PostgreSQL
Pinecone
OpenAI API
Frontend Backend Database External
Challenges
- Optimizing RAG pipeline for sub-second response times
- Handling document ingestion across multiple formats (PDF, HTML, Markdown)
- Building multi-tenant isolation for knowledge bases
- Managing token costs while maintaining response quality
Lessons Learned
- Chunking strategy dramatically affects RAG quality
- Hybrid search (keyword + semantic) outperforms pure vector search
- Streaming responses dramatically improve perceived performance