Elevated errors on Claude Opus 5 | Hacker News

Hacker News users said Claude Opus 5 has been showing more errors, hallucinations, and odd phrasing.

Several commenters reported regressions in coding tasks and said the model felt less stable than earlier versions or alternative access routes.

Some users also mentioned capacity-related stoppages and elevated errors, including through AWS Bedrock.

The discussion raised broader concerns about trust, productivity, and reliability for coding and agentic workflows.