Claude Opus 4.8: The System Card

A real newsletter email from Zvi Mowshowitz. Captured May 29, 2026.

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Captured May 29, 2026Newsletter

A detailed technical review and analysis of the Claude Opus 4.8 system card, focusing on capability deltas and safety evaluations.

A long-form, single-column newsletter layout. The structure is text-heavy with embedded charts, graphs, and data tables throughout. The header is minimal, and the CTA is placed at the bottom.

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