How We Built a Podcast Pipeline

Logosofia no Dia a Dia · Apr 12, 2026 · 29m

For over two thousand episodes, the production pipeline has run invisibly—until now. In this rare technical deep dive, Hilbert walks through the entire system: how Daniel's late-night voice memos become polished scripts, why the pipeline switched from Gemini to Claude Sonnet 4.6, how prompt caching cut costs by ninety percent, and what three A10G GPUs do during voice generation. Learn about LangGraph's checkpointing, the "shrinkage guard" that stops models from cutting episode runtime, parallel TTS generation, and speaker embeddings. It's the infrastructure episode—the one that explains how…