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BrowserBench

The First Benchmark for Browser Infrastructure Stealth

LEADERBOARD

Stealth Failure Rate is defined as the number of agent trajectories that failed due to proxy and captcha issues. A lower number here indicates a lower stealth failure rate and therefore more reliable agent performance.

#1
Anchor
Browser Stealth
1.7%
2025-11-18
#2
2.7%
2025-11-18
#3
3.4%
2025-11-18
#4
Steel
No Stealth
4.7%
2025-11-18
#5
Anchor
Browser No Stealth
5%
2025-11-18
#6
Hyperbrowser
No Stealth
6.5%
2025-11-18
#7
Steel
Stealth
6.8%
2025-11-18
#8
Browserbase
No Stealth
6.8%
2025-11-18