How Anthropic Butterflied You: The Privacy Bait-and-Switch that Killed Zero Data Retention

Plus What I Got Right, What I Got Wrong, and the 30-Day Trap

Jun 10, 2026

∙ Paid

Anthropic named their initial security coalition Project Glasswing - after the famous butterfly with transparent wings. The metaphor was quite obvious -

clear visibility into vulnerable codebases,
delicate handling of a dangerous AI model.

Yesterday, they released the public version, Claude Fable 5, draped in a new logo of swarming butterflies. So what t…

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