WebRetriever (Protocol I, Navigation): leaderboard

Metric: Success rate (%; 1,000 tasks, reaching the target page for a user task; live websites from WebRetriever (800 sites across consumer, professional and enterprise domains), each task starting from a fixed entry URL with search engines blocked, Playwright-based online harness; task success judged by human annotators). Source: arxiv.org. Saturation forecast: Rough model projection: around 2026. 6 models tracked.

Top models

#ModelScore
1Gemini 2.5 Pro (Harness: Computer-use)37.1
2Claude Sonnet 4.5 (Harness: Computer-use)28.1
3Browser Use + GPT-4o (2024-08-06)24
4UI-TARS-1.516.5
5Agent-E + GPT-4o (2024-08-06)11.6
6SeeAct + GPT-4o (2024-08-06)9.2

Interactive version: theaggregate.ai/benchmark?slug=webretriever-protocol-i-navigation · How It Works · Data refreshed daily, snapshot 2026-09-29.