European Union AI Act

Latest developments

OpenAI will watermark ChatGPT outputs by default—but only in the EU Ars Technica · 1 week ago · 24

ChatGPT Is Getting Invisible Watermarks for Text Trending Topics · 1 week ago · 24 The AI label is now part of the product: what August’s transparency rules mean for generative AI startups Startups Magazine · 25 Anthropic plans to add an invisible mark to AI text—as the industry scrambles to police AI slop Fortune · 41

Claude will apply invisible watermarks to AI text and images The Verge · 2 months ago · 38

2026

◆ OpenAI begins rolling out invisible machine-readable text watermarking for ChatGPT and Codex outputs in the European Union to comply with EU AI Act transparency requirements Deployment

◆ Anthropic announced plans to add invisible machine-readable watermarks and provenance metadata to Claude outputs to comply with the EU AI Act transparency requirements starting August 2, 2026 Policy change

◆ Anthropic announced that Claude outputs will be marked with invisible, machine-readable watermarks and provenance metadata to comply with the EU AI Act transparency requirements Feature update

• 6 Oct OpenAI will watermark ChatGPT outputs by default—but only in the EU
• 5 Oct ChatGPT Is Getting Invisible Watermarks for Text
• 28 Aug The AI label is now part of the product: what August’s transparency rules mean for generative AI startups
• 11 Aug Anthropic plans to add an invisible mark to AI text—as the industry scrambles to police AI slop
• 11 Aug Claude will apply invisible watermarks to AI text and images

Relationships

Regulation

• Anthropic regulated by this regulation · 2 sources
• Regulated by ChatGPT · 1 source
• OpenAI regulated by this regulation · 1 source

Products & technology

• EU AI Act Article 50 derived from this regulation · 1 source