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Large language model (LLM)

By Updated

A foundation model for language, usually served from a data centre behind an API. Because calls pass through a gateway, runtime controls (tracing, filtering, stopping) can sit centrally 1.

Developed in
ch. 11, LLMs and SLMs
Chapters
ch. 11, AI Defined
Contrast with
Small language model (SLM)
Source
1 numbered reference, listed below

Where it is used

12 chapters of the Body of Knowledge use the term. Each link opens the first section that does.

Patterns that use this term

8 pattern pages use the term, most mentions first.

  • Hidden Context Exposure

    LLM08:2026 in the OWASP LLM Top 10, which replaced System Prompt Leakage: extracting, inferring or reconstructing the hidden context a model sees, such as…

  • Foundation model

    A model trained on broad data at scale and adaptable to a wide range of downstream tasks.

Sources

  1. [1] Phi-3 Technical Report: A Highly Capable Language Model Locally on Your Phone (3.8-billion-parameter model deployable on a phone; arXiv 2404.14219). Abdin et al. (Microsoft). 2024-04-22. https://arxiv.org/abs/2404.14219 (verified: primary)

Definitions of legal terms paraphrase the cited text, which governs. Dated statements are as of .

Cite this term

García Aibar, J. (2026). Large language model (LLM). In AI Governance Engineering: The Thesis & Body of Knowledge (v0.5.0), Glossary. https://doi.org/10.5281/zenodo.22956197. https://aigovernanceengineer.com/glossary/large-language-model-llm. CC BY 4.0

BibTeX

@misc{aige2026largelanguagemodelllm,
  author  = {Jorge García Aibar},
  title   = {{Large language model (LLM)}},
  note    = {Glossary, AI Governance Engineering: The Thesis \& Body of Knowledge, version 0.5.0},
  year    = {2026},
  doi     = {10.5281/zenodo.22956197},
  url     = {https://aigovernanceengineer.com/glossary/large-language-model-llm}
}