Post-training
Sources are over 18 months old.
Publication dates and source age
Sources counted: 2
Newest dated source: 2024-07-31
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.
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In plain language
Further training after pretraining, intended to adapt a model’s abilities and behavior. [1]
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Limits & distinctions
Post-training names a development stage, not a safety certificate. Improvements on selected tasks leave other failures possible. [1]
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A fuller explanation
Developers can train on demonstrations, preferred answers or rewards. These methods may target instruction following, coding or responses to harmful requests. Different developers use different combinations. [1] [2]
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How it relates to the map
Inspect the training goal, whose feedback was used and which results were tested. [2]
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https://theaiatlas.org/ideas/post-training/
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Sources and what we read
1. The Llama 3 Herd of Models
Source is over 18 months old.
Publication dates and source age
Sources counted: 1
Newest dated source: 2024-07-31
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 two training stages, post-training methods and section 5.4.8 limitations in version 2. Dates follow arXiv submission history. One documented approach, not a universal training recipe.
2. Training language models to follow instructions with human feedback
Source is over 18 months old.
Publication dates and source age
Sources counted: 1
Newest dated source: 2022-03-04
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 abstract, section 3.1's demonstrations/comparisons/reward-model procedure and section 5.3's limitations. Human preference judgments and improved results on the authors' tasks do not establish universal alignment or safety. Publication date checked on the arXiv abstract page.
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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