From $50K/Year of Datadog to $0/Year of Self-Hosted Observability: The Migration Every Team Is Doing in 2026

Book: Observability for LLM Applications — paperback and hardcover on Amazon · Ebook from Apr 22 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 Your Datadog bill crossed $50K in March. Your finance team flagged it. Your engineering team has been eyeing the LLM traces line on the invoice for a year. The