Opensource on René Zander | AI Automation Consultanthttps://renezander.com/tags/opensource/Recent content in Opensource on René Zander | AI Automation ConsultantHugoenTue, 19 May 2026 08:00:00 +0000Splitting Grounding from Reasoning in Browser-Agent Stackshttps://renezander.com/blog/browser-agent-grounding-split/Tue, 19 May 2026 08:00:00 +0000https://renezander.com/blog/browser-agent-grounding-split/<p>Everyone&rsquo;s posting browser-agent demos this week. Click here, scroll there, fill that form. Most break by click seven.</p> <p>Mine broke too. The submit button on a checkout form that the frontier vision model literally couldn&rsquo;t see. Billed at $0.01-0.05 per call, called 20-50 times per agent run, the model was burning reasoning capacity on parsing pixel coordinates. A 2B specialist I trained for $4 hits that same button 2.5x more reliably on ScreenSpot-v2.</p>