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Understanding the Impact of LLM Watermarking on AI Agent Behavior

58 points · 72 comments · nisosguy

  1. WithinReason · · focus · HN ↗
    This is getting tiring. Watermarking has no effect on model output quality when implemented correctly. It's somewhat like swapping a random RNG seed to the seed 42, and detecting what the seed was from a random sequence. The sequence generated from the seed 42 is just as random as any other seed. There couldn't be a quality difference. And yes, the output from an LLM is a conditional random sequence of tokens from a distribution determined by a model.
    1. odo1242 · · focus · HN ↗
      Well, one issue is that the output becomes predictable. So the agent isn’t exploring the full state space of possibilities, it’s exploring (arbitrarily chosen weighted half of state space).
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