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simon_willison ยท Sep 2, 2026 ยท news

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Claude's new system prompt really doesn't want to reproduce song lyrics

simonwillison.netSep 2, 2026
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In brief

Anthropic publish the system prompts for their Claude consumer applications ( Claude.ai and the Claude mobile apps - sadly not for Claude Cowork or Claude Code). I love that they do this, and that they share not just...

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