Model Update2026-03-26OpenAI Blog

OpenAI Details Its Model Spec Framework

OpenAI has provided a detailed look into its Model Spec, a public framework intended to guide the behavior of its AI models. This specification represents an effort to formalize the complex, often competing objectives that shape how AI systems interact with the world. The Model Spec seeks to balance a triad of goals: being helpful to developers and end-users, benefiting humanity at large, and reflecting OpenAI's core institutional values. It serves as a foundational document for researchers and engineers tasked with aligning model outputs, covering areas like tone, refusal policies, factual accuracy, and bias mitigation. By making this framework public, OpenAI aims to increase transparency around its decision-making processes and invite broader discussion on the ethical and practical shaping of AI behavior. The Model Spec is positioned not as a final rulebook, but as a living document that will evolve alongside the technology and societal understanding of its impact.

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