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Cross-Platform AI Agents

Design unified agent architectures for desktop, web, and mobile environments, achieving SOTA performance through orchestrator-subagent coordination, visual grounding, and failure recovery.

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Core Concepts

In this section

Unified Architecture#

  • Orchestrator: Decomposes goals into sub-tasks; assigns to sub-agents; replans on failure.
  • Sub-Agents: Execute actions (e.g., click, type) with platform-specific adapters.
  • ReAct Loop: Reason (assess progress) + Act (perform step); validate outcomes.
  • Visual Grounding: Analyze screenshots for elements (e.g., buttons via OCR/CNN).
  • State Management: Track intermediate results; report to orchestrator.

Key Components:

  • Planning: Goal decomposition, task sequencing.
  • Execution: Human-like interactions (swipe, press); error handling.
  • Validation: Check success (e.g., page load); retry/replan.
  • Integration: Secure proxies for repos/tools.

Innovation: Modular Design – Swap models (e.g., Holo1.5 + third-party) for performance.

Benchmarks and Evaluation#

  • OSWorld: Desktop GUI tasks; pass@1 ~60% SOTA.
  • WebArena: E-commerce/CMS; success ~70%.
  • WebVoyager: Live site navigation; ~97%.
  • AndroidWorld: Mobile apps; ~87%, beats human baseline.

Metrics: Success rate, steps to completion, cross-platform consistency.

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