OpenAI keeps ZDR and previews Private Safety Processing — cross-session safety checks without staff seeing the content.

Quoted text

We will continue to offer Zero Data Retention for frontier models. As AI takes on longer, more autonomous work and delivers greater value to businesses, safety systems also need to identify risks across related interactions. To help address those risks, we're previewing Private Safety Processing, which is designed to improve safety without giving OpenAI personnel access to the underlying content.

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Analyst rationale

Primary lab post. A privacy-preserving monitor is a mitigation-progress signal, not proof residual dropped. Maps to privacy, agency, and containment.