Anthropic publishes Claude system prompts; prompts moved to per-model index pages including Haiku 4.5
Read the original at simonwillison.net→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...
Original headline: "Claude's new system prompt really doesn't want to reproduce song lyrics"
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- Sep 2, 14:16 UTC Simon Willison lead source Claude's new system prompt really doesn't want to reproduce song lyrics