Hacking Generative Perplexity: Why Unconditional Text Evaluation Needs New Metrics

arXiv:2606.08417 · cs.CL, cs.AI · Submitted 2026-06-07 · Read on arXiv

cs.CL, cs.AI

Submitted: 2026-06-07

Updated: 2026-10-22

Terminology

• Perplexity — 2× in this paper · explained in 3 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Coherence — 1× in this paper · explained in 2 episodes
• Entropy Collapse — 1× in this paper · explained in 2 episodes

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