Library
Research·hamel.dev·Jul 17, 2026·19 min read

LLM Evals: Everything You Need to Know – Hamel’s Blog

Hamel’s guide to LLM evaluations emphasizes that effective evaluation is a continuous development process, beginning with rigorous error analysis performed by domain experts. It advocates for identifying and prioritizing real-world failure modes in application traces, using pragmatic binary pass/fail judgments. The article recommends integrating evaluation as a core part of development, focusing on understanding actual failures rather than solely optimizing for high pass rates.

From the source

This document curates the most common questions Shreya and I received while teaching 700+ engineers & PMs AI Evals. Warning: These are sharp opinions about what works in most cases. They are not universal truths. Use your judgment.

David's Archive

One person's reading, compressed into a queryable knowledge base. Built with retrieval, evals, and a learning loop — and instrumented end to end.

Explore

Project

© 2026 David's Archive · answers cite their sources · Admin sign-in