[Bug] Anthropic API Error: Opus 5 safety filter blocks legitimate coding tasks

Status Open
Reported on v2.1.267
Maintainer reply None cached
Activity 0 comments · opened Sep 10, 2026

Bug Description
xAPI Error: Opus 5's safeguards flagged this message (https://www.anthropic.com/legal/aup). Our intentionally broad safeguards allow us to deliver more capabilities faster, but can sometimes flag legitimate coding, cybersecurity, and biology tasks. Claude Code can't respond to this message with Opus 5.

Double press esc to edit your last message, or try a different model with /model.

Send feedback with /feedback or learn more: https://support.claude.com/en/articles/16049681

Details: [bio]

Request ID: req_011CevPw9inb69RbESavG86x

Environment Info

  • Platform: darwin
  • Terminal: ghostty
  • Version: 2.1.267
  • Feedback ID: 58dfeae9-1a59-4527-8cae-8f7a4bedca66

Errors

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