Reports of Opus 4.7 obsessively checking if code is malware during normal operations, wasting tokens on unnecessary security checks, and refusing legitimate tasks due to overzealous filtering
Users are reporting a surge of "malware paranoia" in Opus 4.7, where the model obsessively audits benign files and clutters outputs with repetitive "not malware" confirmations for mundane tasks like UI mockups or design docs. This aggressive filtering, reportedly triggered by restrictive system prompts, has led to absurd scenarios where the AI refuses to fix basic CSS or follow its own official SDK tutorials, effectively stalling legitimate development and authorized security research. While a small minority values the added scrutiny for third-party packages, most critics characterize the behavior as wasteful "security theater" that squanders tokens and forces developers to consider switching to more transparent alternatives.
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