On the same day Meta announced labeling its AI generated images, OpenAI did the same.
OpenAI explained that metadata can be removed, so the system is not foolproof:
What is OpenAI’s implementation of C2PA?
“Images generated with ChatGPT on the web and our API serving the DALL·E 3 model, will now include C2PA metadata. This change will also roll out to all mobile users by February 12th. People can use sites like Content Credentials Verify to check if an image was generated by the underlying DALL·E 3 model through OpenAI’s tools. This should indicate the image was generated through our API or ChatGPT unless the metadata has been removed.
“Metadata like C2PA is not a silver bullet to address issues of provenance. It can easily be removed either accidentally or intentionally. For example, most social media platforms today remove metadata from uploaded images, and actions like taking a screenshot can also remove it. Therefore, an image lacking this metadata may or may not have been generated with ChatGPT or our API.”
Also, so far, the announcement doesn’t cover textual works created by ChatGPT, or videos and sound recordings generated by AI.