AI & Automation · Enterprise Knowledge
Production-Grade RAG Chatbot System
A Retrieval-Augmented Generation system combining semantic search with multi-LLM orchestration for enterprise knowledge retrieval — permission-aware, multi-tenant and streaming token by token.
LangChainPineconeOpenAIFastAPIWebSockets
<200ms
Retrieval latency
512
Token chunks, 20 overlap
What we built
01
Full-stack RAG pipeline
Automated chunking with metadata enrichment across PDF, text and web content.
02
Permission-aware retrieval
Namespace-based multi-tenancy in Pinecone with authorisation-group filtering.
03
Two-stage retrieval
Metadata filtering followed by Cohere reranking for high-fidelity results.
04
Real-time streaming
FastAPI and WebSockets delivering token-by-token responses to minimise perceived latency.
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