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Vendor reportGraphite and Similarweb, 2026

The first turn alone gets 28% of all ChatGPT ad impressions

Bidding & pacing

28%

of all ChatGPT ad impressions landed on the first conversation turn worldwide from March 30 to August 23, 2026

Reader Note:
This is the share of ad impressions that landed at conversation turn 1 across all countries from March 30 to August 23, 2026. The source defines turn 1 as the opening exchange, meaning the first user message and its reply.
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:
Similarweb user panel across 9 live ChatGPT ad markets (panel size not disclosed), plus Graphite analysis of 95k+ US ChatGPT ads from 500+ advertisers, 70k+ creatives, 50k+ headlines, and 8k+ landing pages from April to mid-August 2026.

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 comes from a company with a commercial interest in this market, so it is not a neutral source.
  • The source says how much it looked at, but not how any of it was chosen.

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