Skim: Speculative Execution for Fast and Efficient Web Agents

ArXi:2605.16565v2 Announce Type: replace Skim is a speculative execution framework for web agents that exploits the predictable structure of purpose-built websites. Today's web-agent expense is not intrinsic to the tasks but a property of how agents are composed: frontier-model inference, browser rendering, and ReAct-style planning are applied to every step of every task regardless of complexity.