The Anthropic refusal string was an official documented feature in the Claude API to test refusal scenarios.
replyI see, I must've misremembered. It doesn't work anymore is all I know now.
reply[EDIT: I remembered this incorrectly, sorry]
replyNo, it was a supported and documented feature for months. You can see it here: https://web.archive.org/web/20260202050057/https://platform....
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