100 live web tasks benchmark: browser agents compared on speed and cost

ldrx · reddit · 2026-10-30

The author built 5dive, an open-source runtime for running coding agents against a headed Chrome with persistent logins, and benchmarked five browser-agent setups on 100 hard Online-Mind2Web tasks, all using Claude Haiku 5.5:

Top pass rates weren't statistically significant in paired tests; speed and cost were. Four simpler controlled tasks (forms, renamed buttons, saving drafts) all passed 12/12, with per-1,000-task costs from $0.86 (5dive pi) to $6.92 (openclaw). 5dive adds human takeover for logins/CAPTCHAs and approval gates for payments, installable in one command on Debian/Ubuntu. Limitations: one model, one attempt, custom judge — scores aren't comparable to the original leaderboard.

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