PhantomHunter detects text from privately fine-tuned LLMs by learning shared token-probability traits within LLaMA, Gemma and Mistral families, reporting F1 above 96% on held-out derivatives.
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PhantomHunter: Detecting Unseen Privately-Tuned LLM-Generated Text via Family-Aware Learning
PhantomHunter detects text from privately fine-tuned LLMs by learning shared token-probability traits within LLaMA, Gemma and Mistral families, reporting F1 above 96% on held-out derivatives.