AI model
Publication dates and source age
Sources counted: 4
Newest dated source: 2026-08-20
At least one source was published within the 18-month window.
Assessed at this edition's evidence cutoff: 2026-09-15. 18-month boundary: 2025-03-15.
Some publication dates are unknown; the newest dated source may not be the newest source overall.
Publication age does not tell us whether a claim is still valid. Reading an old source again does not make its publication date newer. An update date does not establish that the passage we used was updated.
Open in the glossary Reading notes · Structured record
In plain language
The part of an AI system that computes outputs from inputs. A trained neural network combines a structure with numerical settings learned from data. [1] [2]
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Limits & distinctions
An application supplies instructions and may also provide files, tools and access controls. Two applications using the same model can therefore allow very different actions. [4]
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A fuller explanation
A trained neural-network model combines a structure with learned numerical settings. Software loads both to process inputs. A saved version of these settings is often called a checkpoint. [2]
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How it relates to the map
Use this distinction when comparing a model with a complete chatbot or other product. [2] [3]
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https://theaiatlas.org/ideas/model/
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Sources and what we read
1. Explanatory memorandum on the updated OECD definition of an AI system
Source is over 18 months old.
Publication dates and source age
Sources counted: 1
Newest dated source: 2024-03-05
Assessed at this edition's evidence cutoff: 2026-09-15. 18-month boundary: 2025-03-15.
Publication age does not tell us whether a claim is still valid. Reading an old source again does not make its publication date newer. An update date does not establish that the passage we used was updated.
Read the updated definition and explanatory sections on techniques, human roles, autonomy, physical and virtual environments, inputs, models and outputs (pages 4 and 6 to 9). Publication date follows the OECD publication landing page. Used to distinguish models from systems and learned methods from knowledge-based approaches, not as a claim about human-like understanding or a legal classification of a particular product.
2. Models
Publication dates and source age
Sources counted: 1
Publication dates are unavailable.
Assessed at this edition's evidence cutoff: 2026-09-15. 18-month boundary: 2025-03-15.
Some publication dates are unknown; the newest dated source may not be the newest source overall.
Publication age does not tell us whether a claim is still valid. Reading an old source again does not make its publication date newer. An update date does not establish that the passage we used was updated.
Read architecture, weights, checkpoints, loading and saving. Used to distinguish a model's structure and learned values from the application around it. Example code was read, not executed; live page publication date unspecified.
3. Guidelines for secure AI system development
Source is over 18 months old.
Publication dates and source age
Sources counted: 1
Newest dated source: 2023-11-27
Assessed at this edition's evidence cutoff: 2026-09-15. 18-month boundary: 2025-03-15.
Publication age does not tell us whether a claim is still valid. Reading an old source again does not make its publication date newer. An update date does not establish that the passage we used was updated.
Read executive summary and lifecycle structure. Guidance addresses complete AI systems and recommends security throughout design, development, deployment and operation. Recommendations are not evidence of any organization's implementation.
4. Managing the cyber risk of agentic AI
Publication dates and source age
Sources counted: 1
Newest dated source: 2026-08-20
At least one source was published within the 18-month window.
Assessed at this edition's evidence cutoff: 2026-09-15. 18-month boundary: 2025-03-15.
Publication age does not tell us whether a claim is still valid. Reading an old source again does not make its publication date newer. An update date does not establish that the passage we used was updated.
Read autonomy, model safeguards, oversight, sandbox boundaries, network and credential restrictions, observability and emergency response. The publisher labels this interim practical advice based on its research; formal guidance may supersede it.
Edition and machine-readable evidence
Content version 0.20.0. Evidence cutoff 2026-09-15; this does not mean every source was read on that day.
Pinned complete dataset · Complete evidence page · Agent consumption guide