CaptchaBench - Connect Icon: leaderboard

CaptchaBench task (CaptchaMind paper, Wang et al., EMNLP 2026) in which the agent pages through candidate images with arrow buttons to find the one where the same two icons are connected as in a reference image. Success rate in percent over 200 generated test episodes, with one ReAct tool-call prompt for every model; higher is better.

Metric: Task success rate (%; 200 test episodes). Source: arxiv.org. Saturation forecast: Around February 2027. 9 models tracked.

Top models

#ModelScoreOverall rank
1Gemini 3 Pro47.5#135
2O337#224
3Claude 3.7 Sonnet19#455
4GPT-515#163
5Qwen-VL-Max14.5#1226
6Claude Sonnet 47.5#397

No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon, #5 Claude Opus 5.5.

Interactive version: theaggregate.ai/benchmark?slug=captchabench-connect-icon · How It Works · Data refreshed daily, snapshot 2026-11-12.