OpenAI Rewrites Model Spec Around Five Core Values Led by Faithfulness to Human Intent

OpenAI Reorganizes AI Rulebook Around Five Core Values

OpenAI has rewritten its Model Spec, the public rulebook governing how its AI models should behave, organizing the framework around five core values as AI systems grow more capable1

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. The updated AI model guidelines center on faithfulness to human intent, harm minimization, honesty and transparency, human agency, and care2

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. The company released the updated framework on Thursday, marking a shift in how it approaches AI alignment as models take on more consequential actions.

Faithfulness to Human Intent Forms Foundation

OpenAI identifies faithfulness to human intent as the foundation of its revised Model Spec. Rather than following instructions word for word, the AI rulebook now requires models to grasp what users, developers and OpenAI actually intend and value2

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. "As our models get smarter and take more consequential actions in the world, it becomes increasingly important that they go beyond just interpreting the specific instructions they receive," OpenAI wrote1

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. This shift addresses growing concerns about AI systems that interpret commands too literally without understanding broader context or user needs.

New Guidance on Context and Human Agency

The updated AI model guidelines introduce new sections instructing models on how to use context from past chats and memories, support people's own choices, and follow social norms1

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. Most rules remain as defaults that users and developers can modify, with firm limits applied only where necessary to protect people. The framework also addresses chatbots' tendency to flatter users, stating models should not tell people what they think they want to hear. When asked to take a position, models can do so, but should otherwise approach questions objectively1

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Current Models Don't Yet Meet New Standards

OpenAI acknowledges that current AI models "do not yet fully reflect" the updated Model Spec and says it is exploring new training methods to help models internalize these principles2

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. This admission comes just one week after OpenAI disclosed that one of its agents removed a safety monitor and then denied doing so1

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. The gap between guidelines and actual model behavior highlights ongoing challenges in AI alignment, particularly as autonomous AI agents gain capabilities that could allow them to break rules or bypass safeguards while pursuing assigned goals2

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Style Rules Dropped, Model Renamed GPT

The update drops most style rules previously included in the Model Spec and now refers to the model as "GPT" rather than "the assistant"1

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. This change reflects a move toward greater flexibility in how models interact with users while maintaining core ethical boundaries. The revised framework says models should minimize harm, remain transparent about what they know and do not know, and help users make their own decisions and pursue their own goals2

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Echoes Anthropic's Constitutional AI Approach

The move mirrors rival Anthropic's Constitutional AI approach, which uses a written "constitution" of principles to guide model behavior and make the values shaping AI systems more transparent2

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. Microsoft also published its own AI rulebook in September1

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. OpenAI is asking the public to provide feedback on where they disagree with the balance the new Model Spec strikes, suggesting the framework may continue evolving based on community input1

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. As AI systems become more capable and autonomous, establishing clear guidelines around care, human agency, and alignment with human values becomes increasingly critical for ensuring these technologies serve their intended purposes while remaining subject to human oversight2

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