NLP & Language · intermediate · concept 131 of 311 · Updated Nov 4, 2026
Text Summarization
Compressing a document while keeping what matters, either by extracting the key sentences or by generating new text (abstractive). LLMs made the abstractive kind everyday technology, and moved the hard problem to faithfulness: a fluent summary that quietly invents a detail is worse than a clumsy accurate one.
Top AI contributors on this
- Yoshua BengioLawZero / Université de Montréal
- Ilya SutskeverSafe Superintelligence Inc. (SSI)
- Noam ShazeerOpenAI
- Alec RadfordIndependent / Thinking Machines Lab (adviser)
- Jürgen SchmidhuberKAUST / IDSIA
- Oriol VinyalsDiscovery Loop
Key terms
Extractive vs abstractiveROUGEFaithfulnessHallucinated detailsLong-document summarization
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