Tag: llm-evaluation

Mar 21, 2026 · Ruby Jha · project-deep-dives
I Tested 16 RAG Configs So You Don't Have To: Embedding Choice Matters More Than Chunk Size
Grid search across 16 RAG configurations reveals embedding model selection drives 26% more retrieval quality than chunk tuning.
Feb 28, 2026 · Ruby Jha · project-deep-dives
How I Calibrated an LLM Judge That Approved Everything
My first LLM judge had a 0% failure rate. That meant it was useless. This is the story of calibrating it to actually catch failures, and building a correction loop that took synthetic data failures from 36 to zero.