Claude Text Watermarking Doesn’t Always Work: 3 Sampling Parameters and 5 Types of API Configurations Developers Should Check
Author’s note: Anthropic has updated its official documentation to warn that Sonnet 4.6 may not reliably carry text watermarks when non-default sampling parameters are used. This article explains when Claude text watermarking applies and provides an API configuration checklist for developers. Not all Claude requests produce output with a reliable text watermark. In API documentation…