model:claude-opus-5-5

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• Zvi: Claude Opus 5.5: The System Card ♥0
• Zvi: Claude Opus 5.5 Should Raise Your Ambitions ♥0
• Zvi: Mythos 5.1, Fable 5.1 and Opus 5.5: Model Welfare ♥0
• Claude Opus 5.5 System Card ♥0