OpenAI revises the Model Spec

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OpenAI revises the Model Spec — the guidance was regrouped around five values: fidelity to human intent, minimizing harm, honesty and transparency, human agency, and care. Principles on context, oversight and agency were newly added, most of the detailed guidance on style of expression was deleted, and the document now calls the model GPT instead of the assistant

Why it matters

The core is that the standard moves from following instructions literally to applying values in situations the instructions do not cover. It said it borrowed the view of alignment as a cooperative game, and created new subsections on how to use conversation, memory and other context cues. In place of the trimmed style guidance it kept strict defaults such as approaching questions objectively, and wrote that the model must not infer a viewpoint from the answer someone would want to hear. OpenAI's own statement that current models do not fully reflect this spec says what kind of document it is — this is a declaration, not a measurement

Source — Primary sources first; secondary reports are labelled “Press”

Officialopenai.comhttps://openai.com/index/updated-model-spec/

Added in Week 44, 2026 · See that week

On the map — ⑩ Safety, Alignment line

  1. Previous stopGLM-5.3 and the spread of advanced cyber capabilities
  2. This recordOpenAI revises the Model Spec
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Changing only the order of the sentences flipped the choice

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