Real ChatGPT answer · index seedmvONvDTdNVUcompleteMarketing and advertising · web analyticsbrand

Why does our cohort retention report in Amplitude show zero active users after week one and how do I fix this broken tracking setup today?

ChatGPTgpt-62 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
Why does our cohort retention report in Amplitude show zero active users after week one and how do I fix this broken tracking setup today?
2 real searches · 1 real-search pass
Amplitude official documentation retention analysis zero users week one user_id identify event tracking identity merge timestampsGoogle ↗
OBSERVEDReason
Amplitude official documentation user identity user_id device_id identify SDK events debugging event segmentationGoogle ↗
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 (2)
Short factOther / navigationalComparisonConsequenceReason100%DefinitionInstructionYes / no

Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT2 real searches · gpt-6
Amplitude official documentation retention analysis zero users week one user_id identify event tracking identity merge timestamps Google ↗
Amplitude official documentation user identity user_id device_id identify SDK events debugging event segmentation Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Amplitude official documentation retention analysis zero users week one user_id identify event tracking identity merge timestamps
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1
Amplitude official documentation user identity user_id device_id identify SDK events debugging event segmentation
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1