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    Model Spec

    AI fundamentals & modelsBehavior specification for models
    Reading time: 2 min.Editorially reviewed on:

    Definition

    A model specification describes the desired behavior of an AI system.

    In the context of OpenAI's Model Spec, this means a publicly described rule set for model behavior. It organizes goals, instructions, and conflict cases.

    Simply explained

    A rulebook describes how an assistant should behave in different situations.

    Why it matters in practice

    Such guidelines make expectations discussable and support testing.

    Example from business

    Hypothetical example: A team aligns its assistant rules with documented priorities.

    Limits and pitfalls

    • A specification describes a goal and does not prove that every answer complies with it.

    Origin & history

    OpenAI uses Model Spec as the name of its published behavior specification.

    Use in mid-sized companies

    • SMEs can derive inspiration for their own understandable assistant rules from it.

    Frequently asked questions

    Is a Model Spec the same as a Model Card?

    No, behavior and model description serve different purposes.

    Sources

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