OpenAI quietly using 'loop transformers' that hide reasoning, sparking security fears

apples_jimmy · x · 2026-09-02

OpenAI and other frontier labs are adopting new techniques involving "loop transformers" that do not show their internal "thinking" when scaled up. While this represents a leap forward in performance, it has sparked concerns regarding security inside and outside OpenAI. The report notes that OpenAI is placing limits on these loops and trying to ensure Chain of Thought is visible with Astra, but there is concern that other AI developers may not adhere to such self-imposed limits.

Related event: Report: OpenAI's Astra Uses Recurrent-Depth Latent Reasoning, Raising AI Safety Concerns(36 posts)→

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