A field guide to AI positions

Model architecture

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.

Open in the glossary Reading notes · Structured record

In plain language

The arrangement of a model’s parts and the calculations that connect them. [1]

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Limits & distinctions

An architecture diagram does not specify all learned values. Rebuilding the structure alone does not reproduce a trained model. [1]

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A fuller explanation

An architecture specifies the structure, such as the number and kind of layers. A checkpoint supplies learned weights for that structure. Two models can share an architecture but have different weights. [1]

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How it relates to the map

Check whether a comparison concerns the structure, the trained weights or the surrounding application. [1]

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https://theaiatlas.org/ideas/model-architecture/

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Sources and what we read

  1. 1. 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.

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.

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