Problem
A B2B SaaS company needed to automate extraction and classification of documents from multiple sources, reducing manual data entry by 80% while maintaining accuracy.
Approach
- Designed RAG-based pipeline for document ingestion and chunking
- Built classification layer using GPT-4 with structured output
- Implemented extraction workflows with LangChain agents
- Deployed async processing with retry and validation logic
Outcome
92% extraction accuracy80% reduction in manual work2.5s avg processing time
Production pipeline handling 50k+ documents/month.