New Delhi, Aug. 11 -- AI giant Anthropic has said that it will be adding watermarks undetected by the human eye to its new Claude models.

The company announced this move as a response to requirements of transparency under the European Union's AI Act's Article 50.

Claude models launching from 2 August, 2026 will have this feature, wherein content generated at the model-level will carry the said mark. The company later said these markings would be applied worldwide, and not to European users alone.

As per Anthropic, the plan is to embed the feature directly into the text it generates for users. While the watermark will not be visible when the user reads the text generated, it will be detected by machines if the text is copy-pasted from C...