Per-Customer LLM Cost Reports (Without Rearchitecting Your Billing Pipeline)

Book: LLM Observability Pocket Guide: Picking the Right Tracing & Evals Tools for Your Team Also by me: Thinking in Go (2-book series) — Complete Guide to Go Programming + Hexagonal Architecture in Go My project: Hermes IDE | GitHub — an IDE for developers who ship with Claude Code and other AI coding tools Me: xgabriel.com | GitHub Finance walks over. "How much did Acme Corp cost us in LLM calls last month?" You open your tracing UI. Every span has a request_id. None of them have...