Users Suspect Opus 5 Verbosity Linked to Watermarking

Multiple users report that Claude Opus 5's output has become noticeably verbose and repetitive over the past 24 hours, speculating the change may be tied to Anthropic's new watermarking feature, which statistically requires longer outputs to detect reliably.

2026-08-22 ~ 2026-08-23 · 2 related posts

• Users report sudden quality drop in Claude Code Opus 5, potentially linked to watermarking — iNcorruptibly · 2026-08-22
• Speculation: Opus 5 verbosity linked to watermarking detection — cool_architect · 2026-08-23