Under EU code of practice, the firm now adds a hidden statistical watermark to text produced by its new models. The mark carries no info about the user & doesn't change what the model writes.

Anthropic is launching an API that lets regulators, media outlets, and researchers check whether text carries Claude's digital watermark. The EU AI Act now requires invisible…

Anthropic introduced Enterprise Frontier Safeguards (EFS), a system that combines zero data retention with automated monitoring for misuse.