Personal blog

Frederick Ros

An engineer who ended up leading, still happiest with his hands in the work. I write about AI, operating models, and how technical work is changing, from the field rather than the slide deck.

Read the latest posts Get in touch
01 — Writing

Latest posts

AI

Do You Cap Your Engineers' Token Budget, or Not?

Aug 18, '26

A flat monthly cap feels like control. It sails over the people who barely use the tools and lands entirely on the ones inventing how everyone works next year. The real choice was never cap or no cap.

Read →
AI

RAG Was Never Semantic Search

Aug 18, '26

RAG and semantic search fused into one word over the last three years. Pulling them apart surfaces the real question: where in your pipeline does anything actually think?

Read →
AI

Who Decides Which Version Is True

Aug 5, '26

Most of what gets sold as a knowledge graph is a data graph with a better name. The hard part was never the extraction. It was deciding what counts as knowledge, and keeping that decision current.

Read →
All posts →
02 — Bio

In brief

I build things, and somewhere along the way I started leading the people who build things. I care more about how work actually gets done than about how it looks in a status report. This is where I think out loud about it.

Full bio →