Vendor reportSeer Interactive, 28 Jul 2026

B2B software and SaaS took the biggest share of early ChatGPT ads at 21.7%

Channel validation

Share of early ChatGPT ads by industry category

Share of early ChatGPT ads by industry category
Industry	Share of ChatGPT ads (%)
B2B software & SaaS	21.7%
Cybersecurity, privacy & GRC	14.2%
Comparison & review sites	10.7%
Insurance & financial services	9.2%
Education & career	6.3%
Consumer & retail	6.1%
AI & cloud infrastructure	5.3%
Legal services & legal tech	5.1%
Marketing & agencies	5%
Healthcare	4.4%
Travel & hospitality	4.2%
Home services & building products	3.6%
Other	3.2%
Energy & utilities	1%

Reader Note:: The two weeks of data ran in July 2026. The figure reports share of ChatGPT ad impressions by industry category among the advertisers Seer observed, not spend share across all ChatGPT ads platform-wide, and the source does not say how categories were assigned.
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.

4.4x

How much better an AI search visitor converts compared to an organic search visitor, on average

of Google searches that showed an AI summary ended with a click on a link inside that summary (US, March 2025)

20% of Gen Z and 17% of Millennials discover new brands through influencer endorsements, vs 12% of Gen X and 5% of Boomers

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%

Go deeper on this topic

Our Substack turns the data behind these cards into full breakdowns: what changed, why, and what to do about it.

Fixing your influencer marketing campaign: How to get into the top 10% of advertisers

11.4%

of shopper sessions in the US involved an AI tool as of June 2026, up 2.3 percentage points from a year earlier

is the short-term ROI index for influencer campaigns in the UK, right on the market average with 4.5% of short-term sales (excluding campaigns that produced no result)

21–26%

of consumers in the US, UK, and Germany report using AI tools to research products online, per Statista's 2026 Global Survey (Jul 2025–Jun 2026).

B2B software and SaaS took the biggest share of early ChatGPT ads at 21.7%

Good for

Not for

Related cards

Go deeper on this topic