The useful bits

  • Use the usage study for audience questions, not as an advertising-performance benchmark.
  • State the metric, measurement population and quarter whenever a report figure enters a planning deck.

What the source covers

Comscore’s Q2 research describes changes in prompt share across AI services, including gains for Gemini and Claude within its measurement scope. Prompt share should not be confused with ad spend, revenue, unique users or conversion performance. Use the findings as market context; the accessible release does not support extrapolating every chart to the whole population.

Keep usage measures separate

State the metric, measurement population and quarter whenever a report figure enters a planning deck. Prompt share describes activity within the reported scope. It cannot by itself establish how many distinct customers you can reach, whether an ad product is available or which service will produce the best acquisition return.

Reading scope

The source is a publisher announcement about its usage study, not an independent advertising-effectiveness experiment.

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