Claude

The 3am Pager - A Scrappy LLM Cost Monitor with Python and ntfy.sh

26 May 2026 13 min read Python

This article is for the ones building an LLM product and want to know what it actually costs you - per feature, per user, per request - without paying for Datadog or wiring up OpenTelemetry.

Your RAG Pipeline Is Lying to You

14 May 2026 15 min read Python

We will walk through a concrete RAG example - a pipeline over a corporate annual report - and build the testing layer that most teams skip entirely. The code is real and runnable. The failures are not hypothetical.