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[ARTICLE · art-36117] src=pub.towardsai.net ↗ pub= topic=large-language-models verified=true sentiment=· neutral

Your Language Model Cannot Say Certain Sentences.

A new article argues that certain next-word predictions in language models are mathematically impossible, comparing the limitation to a piano missing keys. The piece explores fundamental constraints in AI language generation.

read1 min views1 publishedJun 22, 2026

There are next-word predictions your model is mathematically forbidden from making. Not unlikely. Forbidden, the way a piano with too few… Continue reading on Towards AI »

source & further reading
pub.towardsai.net — original article Teaching to the Test: Why Reward Models Learn the Dataset, Not the Values The Best Engineers Stopped Writing Prompts: The 4 Layers That Replaced Prompt Engineering Every Python Concept a Generative AI Developer Actually Needs to Know
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