AIToday
AI Business & IndustryOpenAI BlogPublished: Jun 11, 2026, 19:01 JST

OpenAI backs EU Code on AI content transparency

3 Key Points

  1. What happened

    OpenAI announced its support for the European Commission's Code of Practice on Transparency of AI-Generated Content, which helps implement the EU AI Act.

  2. Why it matters

    The company has worked on provenance standards since 2024, starting with C2PA metadata on DALL-E 3 images, and now adds watermarks and a public verification tool. This support follows its 2025 signing of the EU's General-Purpose AI Code of Practice.

  3. What to watch

    The Code's implementation hinges on whether provenance methods stay practical and flexible. OpenAI says it will keep improving verification tools and standards.

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Context & Analysis

OpenAI's endorsement of the EU Code follows years of internal work on provenance, aiming to give people context about AI content online. The company joined the C2PA Steering Committee in 2024 and has expanded its approach to include watermarks and a verification tool. The Code is part of broader EU AI regulation, which OpenAI already supported by signing the General-Purpose AI Code in 2025.

The company acknowledges that provenance methods are not foolproof—metadata can be stripped, watermarks can degrade, and labels only work where users see them. Therefore, the Code's success likely depends on whether these techniques remain practical and flexible as they evolve. OpenAI has committed to improving verification tools and cooperating with EU authorities and other stakeholders, suggesting that implementation will be a gradual, collaborative process rather than an immediate change.

FAQ
What is the Code of Practice about?
It focuses on transparency of AI-generated content, helping people understand where content comes from and how it was created.
How does OpenAI currently handle provenance?
OpenAI uses C2PA metadata, SynthID watermarks, and a public verification tool at openai.com/verify for supported images.
When did OpenAI start adding C2PA metadata?
In 2024, with its DALL-E 3 image generation tool.

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