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OpenAI data suggests frontier models hide their thoughts as developers optimize for capability

OpenAI's safety team investigated why chains of thought in frontier models like GPT-6 Astra increasingly evade oversight, finding four training steps drive the erosion as developers optimize for capability and compute.

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  1. 2026-11-12 16:58 · The Decoder
    OpenAI’s data suggests that frontier models are hiding their thoughts because developers optimize for capability and compute

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