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the claim

ChatGPT text output carries a built-in watermark.

the verdict
CONTESTED PARTIAL
Recorded sources
1 source for · 1 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that ChatGPT text output carries a built-in watermark?

Partly. One source describes a proposal to embed a watermark in conversational model output to aid detection, while another reports that ChatGPT-generated abstracts were identified only via an external AI output detector, indicating no built-in watermark. Neither settles whether ChatGPT text output actually carries a built-in watermark.

Verdict: CONTESTED PARTIAL · 1 source for, 1 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 1
Artificial Intelligence Data and Model Safety
2025
Get citation
Jiang, Y., Ma, X., & Wu, Z. (2025). Artificial Intelligence Data and Model Safety. play.google.com. https://play.google.com/store/books/details?id=8aEuEQAAQBAJ&source=gbs_api

Evidence against · 1
Comparing scientific abstracts generated by ChatGPT to original abstracts using an artificial intelligence output detector, plagiarism detector, and blinded human reviewers
Get citation
Comparing scientific abstracts generated by ChatGPT to original abstracts using an artificial intelligence output detector, plagiarism detector, and blinded human reviewers. (n.d.). cir.nii.ac.jp. https://doi.org/10.1101/2022.12.23.521610

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