I Cut My AI Test Automation Cost by 300x by Ditching Vision Models

I Cut My AI Test Automation Cost by 300x by Ditching Vision Models From $0.011 per step to $0.00004 — here's how I learned vision models are overkill for most web testing, and what I built instead. It started with a $400 monthly API bill (and yes, that's USD — I'm in China, but you'll feel the same pain in any currency). I was running an AI-powered test automation platform built on Midscene.js with Qwen-VL vision models. Every test step meant sending a full-page screenshot to a multimodal...