FrontierThe story, in brief
Claude Opus 4.7 has turned into an overzealous query cop, devs complain
Claude Opus 4.7 just got stricter. Developers are reporting refusals on queries that worked fine before—and it's breaking production workflows.
The KeyNews take
Why it matters
Anthropic's safety tuning in Claude Opus 4.7 has swung too far toward restriction, creating friction for developers and raising questions about the cost of safety guardrails in production environments.
The key facts
5 to knowClaude Opus 4.7 exhibiting increased query refusals vs. previous versions
Developer complaints about overzealous safety filtering
Safety tuning appears to have regressed model usability
Production workflow impacts reported
Published Apr 23, 2026 — indicates recent release/complaint cycle
Go to the source
The Register AI/MLgo.theregister.com