UI traces of actions and timings from LLM browser agents enable identification of the underlying model with up to 96% F1 across 14 models and multiple tasks.
BeCAPTCHA- Mouse: Synthetic Mouse Trajectories and Improved Bot Detection.Pattern Recognition, 127: 108643, 2022
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Known By Their Actions: Fingerprinting LLM Browser Agents via UI Traces
UI traces of actions and timings from LLM browser agents enable identification of the underlying model with up to 96% F1 across 14 models and multiple tasks.