EVERYTHING AIAI engineering, made visual
Visual edition planned
Phase 14 · Lesson 20Learn1 h54 lessons in phase

Benchmarks: WebArena and OSWorld

WebArena tests web-agent capability across four self-hosted apps. OSWorld tests desktop-agent capability across Ubuntu, Windows, macOS. At release (2023–2024) both showed a big gap between best-in-class agents and humans. The gap is narrowing; the failure modes haven't changed.

Visual edition planned

This lesson isn’t interactive yet.

It is part of the curriculum and will get the same treatment as Phase 1 — a visual cover, hands-on labs, derivations with numeric checks and a quiz. Until then, the original lesson is the best place to read it:

Part of Phase 14Agent Engineering. Use the previous / next cards below to keep browsing the phase.