SESK: Stuff Everyone Should Know · sesk.info/ai-greedy-decoding-repetitive
If a language model always picks the most likely words, what kind of text tends to come out?
Bland and strangely repetitive text.
- Bland and strangely repetitive text ✔
- The most creative possible text
- Perfectly factual text
Why: Researchers found that using likelihood as the decoding goal gives dull text that loops. Human writing is not always the most probable next word, so some randomness actually reads more naturally.
Huh, didn't know that: The same trained model can produce very different quality text just by changing the decoding method.
I always pick the most likely word too. That's why my speeches are so boring, so boring, so boring.
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References
Answer: Bland and strangely repetitive text. Researchers found that using likelihood as the decoding goal gives dull text that loops. Human writing is not always the most probable next word, so some randomness actually reads more naturally.
- Holtzman et al., The Curious Case of Neural Text Degeneration (arXiv 1904.09751) arxiv.org/abs/1904.09751
using likelihood as a decoding objective leads to text that is bland and strangely repetitive.
Checked 2026-10-10.
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