Surfer 2: The Next Generation of Cross-Platform Computer Use Agents

TL;DR

Surfer 2 is a unified, visual observation-based agent architecture that achieves state-of-the-art cross-platform performance in web, desktop, and mobile environments, surpassing prior systems and even human benchmarks.

Contribution

It introduces Surfer 2, a novel architecture integrating hierarchical context, planning, execution, and self-verification for reliable long-horizon tasks across platforms.

Findings

Achieves 97.1% accuracy on WebVoyager

Outperforms all prior systems without fine-tuning

Exceeds human performance with multiple attempts

Abstract

Building agents that generalize across web, desktop, and mobile environments remains an open challenge, as prior systems rely on environment-specific interfaces that limit cross-platform deployment. We introduce Surfer 2, a unified architecture operating purely from visual observations that achieves state-of-the-art performance across all three environments. Surfer 2 integrates hierarchical context management, decoupled planning and execution, and self-verification with adaptive recovery, enabling reliable operation over long task horizons. Our system achieves 97.1% accuracy on WebVoyager, 69.6% on WebArena, 60.1% on OSWorld, and 87.1% on AndroidWorld, outperforming all prior systems without task-specific fine-tuning. With multiple attempts, Surfer 2 exceeds human performance on all benchmarks. These results demonstrate that systematic orchestration amplifies foundation model capabilities and enables general-purpose computer control through visual interaction alone, while calling for a next-generation vision language model to achieve Pareto-optimal cost-efficiency.