Anthropic launches EFS; Fable 5.1 cuts cache costs by 75%

sven_ai · x · 2026-09-02

Anthropic announced Enterprise Frontier Safeguards (EFS), combining zero data retention privacy with advanced misuse protection by storing data in customer-controlled clouds, rolling out this fall. Fable 5.1 also reduces cache read costs by 75%, lowering total costs by 25% for typical workloads and up to 45% for agentic tasks.

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