# WebArena

> WebArena success rose from about 15% in 2023 to 74.3% in early 2026, leaving roughly four percentage points between the best agent and the 78.24% human baseline.

End-to-end browser tasks in self-hosted replicas of real websites.

- **Category:** Web
- **2026 frontier:** OpAgent 71.6% (Jan 2026); WebTactix 74.3% (Feb 2026)
- **Human baseline:** 78.24% (original paper)
- **Credibility:** Considered credible: the remaining gap to the 78.24% human baseline is a real capability gap rather than an artefact. Progress has been steep — from about 15% in 2023 to 74.3% in early 2026.
- **Verification:** Verified
- **Source:** [WebArena leaderboard / Stanford HAI AI Index 2026](https://leaderboard.steel.dev/leaderboards/webarena)
- **Last updated:** 2026-10-04