OpenAI says it’s getting serious about AI detection and labeling

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FollowSee All TechOpenAI says it’s getting serious about AI detection and labelingImages generated by ChatGPT will now carry Google’s SynthID watermarks. Images generated by ChatGPT will now carry Google’s SynthID watermarks. by Jess Weatherbed Jess WeatherbedNews ReporterPosts from this author will be added to your daily email digest and your homepage feed.

Technical Details

FollowSee All by Jess WeatherbedMay 19, 2026, 5:45 PM UTC Image: The VergePart OfGoogle I/O 2026: All the news and announcementssee all updates Jess Weatherbed Jess WeatherbedPosts from this author will be added to your daily email digest and your homepage feed. FollowSee All by Jess Weatherbed is a news writer focused on creative industries, computing, and internet culture. Jess started her career at TechRadar, covering news and hardware reviews.

OpenAI is announcing updates today that aim to make it easier for people to identify when online content has been generated using its AI models. Alongside strengthening its commitment to embedding generated works with C2PA content credentials — currently the most recognized provenance standard for checking how image, video, and audio content was made or edited — OpenAI will now also apply Google’s SynthID watermarks to provide a “multi-layered approach” for AI labeling tools. “These two systems reinforce each other.

C2PA helps content carry detailed context; SynthID helps preserve a signal when metadata does not survive,” OpenAI said in its announcement. “Watermarking can be more durable through transformations like screenshots, while metadata can provide more information than a watermark alone. Together, they make provenance more resilient than either layer would be on its own.

Industry Implications

”SynthID watermarking will initially be applied to images generated by ChatGPT, Codex, or the OpenAI API. The callout for metadata preservation is interesting — anecdotally, I’ve seen SynthID used more reliably by fact checkers and media agencies to verify deepfake images online compared to C2PA. This expansion to cover both could make content generated by OpenAI less likely to slip through gaps in verification systems, making deepfakes easier to distinguish and helping online platforms to label generated or AI-manipulated content for their users.

As part of this expansion, OpenAI is also previewing a public verification portal that will allow users to see if images carry AI metadata or watermarks. When an image is uploaded, the portal will check C2PA and SynthID provenance signals to flag if it was generated with ChatGPT, the OpenAI API, or Codex.

This advance offers important signals about the future of the sector, and the tech world is watching closely.