Author: Angelo Saraceno Every year a fresh crop of “best serverless platforms” listicles ships, every year they rank the same eight FaaS vendors against each other, and the question that matters (what should I run my app on?) gets buried under feature matrices. The 2026 answer: “serverless” no longer means one thing. It points at three runtime contracts, and the right pick depends on which one matches the app you already have. House rule: every claim in this post is sourced; if I can’t back some