Claude Sonnet 5.5 can drop you to Sonnet 5 over something you never typed

T2Covered by 1 source · first reported by UploadVR / Road to VR / MIXED at 01 Oct, 14:48 UTC

Claude Sonnet 5.5 runs safety classifiers on every request, and Anthropic says those checks read more than your message: they "review everything the model reads", including memory, content from connectors, web search results and files, "so a fallback or block can be triggered by content you didn't…