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Morning Edition · Sunday, November 1, 2026Published at 1:20 AM EST · New York
OpenAI rebuilds its Model Spec around five values and retires most of its detailed style rules
The October 29 revision tells the model to weigh faithfulness to intent, harm minimization, honesty, human agency and care where no explicit rule applies, and it now calls the model "GPT" instead of "the assistant".
OpenAI updated its Model Spec on October 29, the public document that defines how its models should behave. The revision organizes guidance around five values: faithfulness to human intent, harm minimization, honesty and transparency, human…
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Evaluation Design Becomes the Bottleneck
As capability claims outpace the validity of existing tests, benchmark construction turns into a contested research area and a gating input to enterprise procurement, so expect recurring purpose-built evaluations whose design, not whose leaderboard, is the news.
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