# Evertune Research

Original, citable research on how brands show up in AI search, drawn from our proprietary platform.

## **Repeated sampling enables GEO action by topic and prompt**  
Single-sample prompts can't give you actionable depth. Repeatedly sampled prompts do. Here's how they compare.  
**July 30, 2026**  
[Link to article](/content/resources/insights-on-ai/repeated-sampling-enables-geo-action-by-topic-and-prompt/index.html)

## **What AI models are saying to voters ahead of the midterms**  
Voters want AI's help deciding who to vote for. Here's what models tell them and where they get their information.  
**August 28, 2027**  
[Link to article](/content/resources/insights-on-ai/what-ai-models-are-saying-to-voters-ahead-of-the-midterms/index.html)

## **Some brands are way ahead in ChatGPT advertising**  
Brands like SoFi and Expedia are dominating their categories in ChatGPT ads, while ChatGPT expands ads globally.  
**August 28, 2026**  
[Link to article](/content/resources/insights-on-ai/some-brands-are-way-ahead-in-chatgpt-advertising/index.html)

## **The GEO opportunities that small prompt samples miss**  
Failing to sample prompts enough times leaves brands confused about which sources to go after in a GEO campaign.  
**August 27, 2026**  
[Link to article](/content/resources/insights-on-ai/the-geo-opportunities-that-small-prompt-samples-miss/index.html)

## **How many repetitions of a single prompt does it take to understand your AI visibility?**  
Many GEO platforms fail to sample enough, leaving you with data that has unacceptably large margins of error.  
**July 16, 2026**  
[Link to article](/content/resources/insights-on-ai/how-many-repetitions-of-a-single-prompt-does-it-take-to-understand-your-ai-visibility/index.html)

## **AI Models Read User Reviews: Insights from 6.5M Prompts**  
We asked 6.5 million prompts to learn about the user review sites shaping AI answers, especially on certain topics.  
**June 30, 2026**  
[Link to article](/content/resources/insights-on-ai/ai-models-read-user-reviews-insights-from-6-5m-prompts/index.html)

## **ChatGPT Shows an Ad in 1 in 8 Responses**  
A month after launching self-serve ads, ChatGPT is showing ads in about 1 of every 8 responses.  
**June 15, 2026**  
[Link to article](/content/resources/insights-on-ai/chatgpt-shows-an-ad-in-1-in-8-responses/index.html)

## **Where AI Sends Memorial Day Shoppers, According to 40,000 Prompts**  
AI is sending Memorial Day shoppers to Home Depot and Lowe's for deals on categories like grills and appliances.  
**May 19, 2026**  
[Link to article](/content/resources/insights-on-ai/where-ai-sends-memorial-day-shoppers-according-to-40-000-prompts/index.html)

## **ChatGPT Loves Listicles**  
ChatGPT loves listicles - highly structured, easily digestible content with high topical specificity.  
**April 28, 2026**  
[Link to article](/content/resources/insights-on-ai/chatgpt-loves-listicles-a-geo-finding/index.html)

## **YouTube Ascendant on Google’s LLMs**  
YouTube's share of citations is rising on Google's LLMs, while Reddit remains relevant on all models.  
**April 21, 2026**  
[Link to article](/content/resources/insights-on-ai/youtube-ascendant-on-googles-llms/index.html)

## **What Probabilistic Behavior Means for Marketers: A Look At Earned Media**  
With AI models, it pays to embrace the complexities and investigate the particularities of your market segment.  
**April 15, 2026**  
[Link to article](/content/resources/insights-on-ai/what-probabilistic-behavior-means-for-marketers-a-look-at-earned-media/index.html)

## **The New Face of ChatGPT Shopping: AI Product Comparisons**  
ChatGPT now features direct product comparisons, making AI search a bigger part of buying decisions.  
**March 30, 2026**  
[Link to article](/content/resources/insights-on-ai/the-new-face-of-chatgpt-shopping-ai-product-comparisons/index.html)