OpenAI Technique in ‘Astra’ Model Sparks Security Concerns

OpenAI says its forthcoming AI model Astra marks a step up in capabilities such as coding and operating applications on a computer. But an innovative technique that improved the model’s performance also means that the model, and others like it, will reveal less of their “thinking,” making them harder to monitor for signs of bad behavior, according to a person with knowledge of Astra’s development. While the limitation isn’t necessarily a significant issue with Astra, the technique has...