Engineering
Preventing the stampede: Request collapsing in the Vercel CDN
By Sachin Raja
Sep 25, 2025
10 min read

An AI agent is a language model with a system prompt and a set of tools. Tools extend the model's capabilities by adding access to APIs, file systems, and external services. But they also create new paths for things to go wrong.
Fluid compute is Vercel’s next-generation compute model designed to handle modern workloads with real-time scaling, cost efficiency, and minimal overhead.