Jan-Hendrik Witte ยท Blog https://jan-hendrik-witte.de/blog/ Weekly roundups, field notes, and takes on agentic systems, evaluation, and applied AI. en Tue, 15 Sep 2026 19:56:22 GMT Agents get measured, tokens get cheaper, output gets longer https://jan-hendrik-witte.de/blog/2026-week-36/ https://jan-hendrik-witte.de/blog/2026-week-36/ Sun, 06 Sep 2026 12:00:00 GMT roundup A geometric law for how long an agent stays reliable, three Flash models in six weeks that cost less per token and more per task, and a cluster of papers that put the proof before the deployment.