WebHarbor - GUI - Verifier: leaderboard

WebHarbor Table 8,page 9:306 held-out tasks; ReAct-style GUI vs OpenCode equipped with GUI tools, separate configurations. Verifier and agent-judge pass rates separately reported; their agreement is not capability. General-model effort unspecified. Browser 1280 x 1000,temperature 0.6,top-p 0.95,top-k 20,30-action limit except WebArena 50. Qwen 3-VL-4B-Thinking is the Base row per training setup; trained OpenWebRL and WebHarbor checkpoints remain distinct. Metric: Pass rate (%).

Metric: Pass rate (%). Source: arxiv.org. Saturation forecast: Around February 2027. 8 models tracked.

Top models

#ModelScoreOverall rank
1GPT-6 Astra86.7#6
2Qwen 3.6 35B A3B36.8#238
3GPT-5.526.9#33
4GPT-4.126.4#258
5Qwen 3 VL 4B (Thinking)19.7#548

No result here: #3 Claude Opus 5.5, #7 GPT-6.1 Sol, #9 Gemini 4 Argon.

Interactive version: theaggregate.ai/benchmark?slug=webharbor-gui-verifier · How It Works · Data refreshed daily, snapshot 2026-11-05.