>This is in fact very similar to one of Anthropic's guiding principles: underpromise and overdeliver."
If this is one of Anthropic's guiding principles, then I must assume that they've only ever promised five 8s of reliability.
Nah, they are referring to the system prompt that runs Claude: "Always underpromise and overdeliver. Make no mistakes."
Just like the old userfriendly.org comic, where marketing promises nine fives instead of five nines.
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