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Just noticed the Claude Opus 5 system prompt includes details of the Fable export control situation, in case people ask about it despite it being outs…
Just noticed the Claude Opus 5 system prompt includes details of the Fable export control situation, in case people ask about it despite it being outside the model's knowledge cut-off https://platform.claude.com/docs/en/release-notes/system-prompts#claude-opus-5