Vendor reportSeer Interactive, 28 Jul 2026

Evaluation prompts took the biggest share of ChatGPT ad impressions at 38.7%

Channel validation

Share of ChatGPT ad impressions by customer journey stage

Share of ChatGPT ad impressions by customer journey stage
Stage	Share of ad impressions (%)
Evaluation	38.7%
Awareness	24.3%
Advice	18.8%
Comparison	16.5%

Reader Note:: Based on about two weeks of Seer tracking data updated July 28, 2026. The figure splits observed ChatGPT ad impressions by customer journey stage: Evaluation, Awareness, Advice, and Comparison. The report does not disclose how many prompts or responses were classified, or the exact rules used to assign a prompt to each stage.
Evidence:: Observed behaviour
Vendor interest:: Moderate — This comes from a company with a commercial interest in this market, so it is not a neutral source.
Sample:: About two weeks of data from Seer's own AI tracker and client AI tracking workspaces; ads visible in 96 of 97 workspaces; 3,697 unique advertisers counted. Prompt selection and total tracked responses not fully disclosed.

Good for

Comparing yourself against a similar segment, and choosing what to test next.

Not for

Saying that one thing caused another, or predicting what you would get.
This is an aggregated or average number that covers very different cases. Real results in a particular segment may differ.
This comes from a company with a commercial interest in this market, so it is not a neutral source.
The source never says how this number was measured.
Nobody counted this directly — it's a calculation. The publisher worked it out itself, or took the ad platform's word for what its ads achieved.
The source says how much it looked at, but not how any of it was chosen.

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Share of each generation who discover new brands via influencer endorsements
Generation	Share who discover brands through influencers (%)
Gen Z	20%
Millennials	17%
Gen X	12%
Baby Boomers	5%

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Evaluation prompts took the biggest share of ChatGPT ad impressions at 38.7%

Good for

Not for

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