Kasper Grøntved

Writing

Blog

Long-form notes on retrieval and on running machine learning cheaply. Each post says what was built, what it cost, and what the numbers say. The slide decks live under Knowledge; this is the prose.

8 September 2026 · ≈ 14 min

Semantic search for the price of a git push

How this site's search understands meaning with no server and no model in the browser: inference-free SPLADE, with the encoder run once on GitHub Actions, the sparse index served from GitHub Pages, and a free Mistral key held by a free Worker for the generated answers. A €0.00 receipt, itemised, with the maths that makes each line hold and the scale at which it stops holding.