WebArena-Infinity: Generating Browser Environments with Verifiable Tasks at Scale

WebArena-Infinity automates the generation of high-authenticity web environments with verifiable tasks from static artifacts like user manuals, using a multi-agent pipeline of coding and browser-use agents. It produces 10 environments with 1,260 tasks and 2,070 trajectories. Agents achieve notably lower success rates than on manually built benchmarks, suggesting the generated tasks capture meaningful complexity.

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