OpenAI expands Zero Data Retention coverage to frontier models
OpenAI
On Aug 19, 2026 OpenAI announced an expansion of its Zero Data Retention tier, extending the no-store / no-train guarantees to additional frontier models and clarifying the eligibility path for paid API customers. The release was framed as OpenAI sharpening its enterprise pitch against Anthropic's 30-day retention on covered-class models.
Why it matters
Sharpens OpenAI's regulatory and enterprise posture on the same day it previewed Private Safety Processing — the pair reads as a coordinated privacy + monitoring story rather than a single product.
Importance: 3/5
Companion enterprise privacy release