[Bug] Anthropic API Error: Opus 5 safeguards inconsistently flagging safe conversations

Status Open
Reported on v2.1.241
Maintainer reply None cached
Activity 1 comment · opened Aug 25, 2026

Bug Description READ BELOW is the "message flagged as reasoning extraction, after I asked Opus to consolidate himself internally first and then reply:
❯ no no that would be for me,i wanted you to recap it just inernally for you. just internal reasoning to need to stream the answer. once you know whats up then come to my latest messages and continue from here

● API Error: Opus 5's safeguards flagged this message (https://www.anthropic.com/legal/aup). This sometimes happens with safe, normal conversations. 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: [reasoning_extraction]

Request ID: req_011CePRCUv7UpxU525r2MMUA

✻ Cogitated for 5s · 1 shell still running

❯ who ever flagged this message was idiot

● API Error: Opus 5's safeguards flagged this c.com/legal/aup). This sometimeshappens with safe, normal conversations. 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: [reasoning_extraction]

Request ID: req_011CePREMZA2Zfm1728Ni1eT

Environment Info

  • Platform: win32
  • Terminal: windows-terminal
  • Version: 2.1.241
  • Feedback ID: fec63988-99ae-4fcb-8cec-56f949333eed

Errors

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