GPT-6 Luna October 29 Update: System Card Supplementary Notes
OpenAI released the GPT-6 Luna (October 29) update, which responds more concisely and reduces overly sycophantic phrasing; under the Preparedness Framework it is still rated High for both cybersecurity and biochemical capabilities, and it uses the same set of safeguards as GPT-6 Luna (October 7). This version improves over the previous version on the gore evaluation in Production Benchmarks, achieving a Pareto improvement between safely handling harmful requests and helpfulness; in the U18 evaluation it improves on sexual content, eating disorders, emotional dependence, and gore, and in the instruction hierarchy evaluation it reaches 99.91% robustness.

OpenAI released the GPT-6 Luna (October 29) update, which responds more concisely and reduces overly sycophantic phrasing; under the Preparedness Framework it is still rated High for both cybersecurity and biochemical capabilities, and it uses the same set of safeguards as GPT-6 Luna (October 7). This version improves over the previous version on the gore evaluation in Production Benchmarks, achieving a Pareto improvement between safely handling harmful requests and helpfulness; in the U18 evalu
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