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Can you give me the exact regex filter to isolate ChatGPT referral traffic in our server logs because GA4 is currently misattributing those sessions to organic search?

ChatGPTgpt-61 query11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
Can you give me the exact regex filter to isolate ChatGPT referral traffic in our server logs because GA4 is currently misattributing those sessions to organic search?
1 real search · 1 real-search pass
ChatGPT referral traffic referrer domain chatgpt.com chat.openai.com GA4 attribution documentationGoogle ↗
OBSERVEDReason

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

ChatGPT real searches (1)
Short factOther / navigationalComparisonConsequenceReason100%DefinitionInstructionYes / no

Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT1 real searches · gpt-6
ChatGPT referral traffic referrer domain chatgpt.com chat.openai.com GA4 attribution documentation Google ↗

Queries

1 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
ChatGPT referral traffic referrer domain chatgpt.com chat.openai.com GA4 attribution documentation
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1