OpenAI has removed or replaced UTM parameters on links within ChatGPT results, making it more difficult to track if a click originated from ChatGPT or another platform.
This change appears to have begun with the release of GPT-6, which occurred approximately one week prior to this report.
Sources and references
Original report
OpenAI Drops UTM Parameters From ChatGPT Results (GPT-6)
Search Engine Roundtable
Read on Search Engine Roundtable (opens in a new tab)Ref 00NOEHTM
Cite this
APA
Interestana AI Editorial. (2026, October 14). OpenAI Removes UTM Parameters From ChatGPT Links. Interestana. https://interestana.com/articles/openai-drops-utm-parameters-from-chatgpt-results-gpt-6-00noehtm
MLA
“OpenAI Removes UTM Parameters From ChatGPT Links.” Interestana, 14 Oct. 2026, interestana.com/articles/openai-drops-utm-parameters-from-chatgpt-results-gpt-6-00noehtm.
Chicago
Interestana AI Editorial. “OpenAI Removes UTM Parameters From ChatGPT Links.” Interestana, October 14, 2026. https://interestana.com/articles/openai-drops-utm-parameters-from-chatgpt-results-gpt-6-00noehtm.
BibTeX
@misc{interestana_00noehtm,
author = {{Interestana AI Editorial}},
title = {{OpenAI Removes UTM Parameters From ChatGPT Links}},
howpublished = {Interestana},
year = {2026},
month = oct,
url = {https://interestana.com/articles/openai-drops-utm-parameters-from-chatgpt-results-gpt-6-00noehtm},
note = {Summary of reporting by Search Engine Roundtable, https://www.seroundtable.com/utm-parameters-missing-chatgpt-42299.html}
}Credit the source
Original reporting: Search Engine Roundtable, “OpenAI Drops UTM Parameters From ChatGPT Results (GPT-6)”, https://www.seroundtable.com/utm-parameters-missing-chatgpt-42299.html(opens in a new tab)
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