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Zvi Mowshowitz reviews Claude Mythos 5.2's system card and safety findings

AIZvi Mowshowitz reviews the Claude Mythos 5.2 system card, focusing on what changed from earlier models. He says Anthropic's AI R&D progress estimate of 1.88x (95% CI: 1.62x-2.28x) cannot rule out the 2x threshold, and he disputes Anthropic's decision not to trigger Autonomy Threat Model 2.
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Don't Worry About the Vase (Zvi Mowshowitz) · Zvi Mowshowitz · thezvi.substack.comPublished · added here

Original title: Fable and Mythos 5.2: The System Card