A from-scratch inverse language model trained on token-reversed synthetic LLM outputs reconstructs prompts from a single response, outperforming prior black-box methods on exact-token metrics.
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PTP: Previous-Token Prediction based LLM Inversion for Near-Exact Prompt Reconstruction
A from-scratch inverse language model trained on token-reversed synthetic LLM outputs reconstructs prompts from a single response, outperforming prior black-box methods on exact-token metrics.