Practical LLM Integration: Lessons from Building a SEC Filing Analysis Project

A live coding demo walking through an LLM-powered document analysis system. I’ll run the pipeline live and show the code that makes it work.

Using regex and rule-based filters to reduce LLM API costs by 80%+
Extracting structured data from unstructured documents with Claude
Implementing semantic caching with Qdrant to avoid redundant API calls
Tracking LLM costs and latency with Langfuse