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Microsoft and Publicis Groupe research whitepaper: How to get ahead of conversational AI search

June 18, 2025
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A strategic framework for the next generation of search marketing

Key findings at a glance

  • Conversational AI search adoption has reached a critical inflection point, with 75% of users reporting equivalent or superior satisfaction compared to traditional search methods 
  • Organizations implementing AI-enhanced search strategies observe significant engagement improvements, with 74% of users reporting enhanced decision-making capability
  • Nearly half (46%) of consumers who notice ads in conversational AI search report an improved experience, indicating strong potential for advertising integration

Introduction 

The digital search landscape is experiencing a fundamental transformation driven by conversational AI technologies, like ChatGPT and Microsoft Copilot. Our comprehensive analysis of over 2,120 consumers across four major markets reveals that organizations effectively deploying conversational AI search strategies are achieving unprecedented levels of consumer engagement and satisfaction. This transformation extends beyond mere technological adoption, representing a fundamental shift in how consumers discover, evaluate, and act upon information.

The evolution of consumer trust in conversational AI search

Our research reveals a clear correlation between usage frequency and trust development in conversational AI platforms. Among daily users, 74% report high trust levels in both the technology and its results, compared to 33% among moderate users. This progressive trust building suggests that as consumers gain more exposure to conversational AI, their confidence in the technology significantly increases.

The platform landscape shows clear leaders, with ChatGPT emerging as the most recognized and frequently used service. However, the ecosystem is diverse, with platforms like Microsoft Copilot, Google's Gemini, and others gaining traction. This diversity in platform adoption indicates a maturing market where consumers are increasingly comfortable exploring various AI-powered search options.

Enhanced decision-making through conversational AI search

A striking 74% of consumers globally report that conversational AI search provides more comprehensive information for decision-making compared to traditional search methods. This figure rises to 78% in the United States, with consistent results across the UK, Canada, and Australia (all at 71%). The enhancement in decision-making capability stems from several key factors: 

The ability to process and synthesize complex queries allows conversational AI search to provide more nuanced and relevant responses. When examining specific use cases, such as travel planning, consumers consistently prioritize comprehensive information delivery, with 52% valuing detailed daily activity outlines and 51% appreciating multiple options for consideration.

The role of advertising in conversational AI search

Perhaps most surprisingly, our research reveals unprecedented consumer receptivity to advertising within conversational AI search environments. Among the 33% of users who have noticed ads in their search results, 46% report that these advertisements enhanced their search experience. This positive reception suggests a unique opportunity for brands to integrate advertising in ways that add value to the consumer journey rather than disrupt it. The impact on brand trust is equally noteworthy. When advertisements appear in conversational AI search results:

  • 26% of consumers report increased trust in the advertised brands 
  • 63% maintain consistent trust levels
  • Only 11% indicate decreased trust

These findings suggest that thoughtful advertising integration can enhance, rather than diminish, the consumer experience.

Strategic imperatives for organizations

Our research suggests that organizations should concentrate on three main areas to take advantage of the opportunities presented by conversational AI search:

Immediate market entry

With 67% of consumers already engaging with generative AI multiple times or more, the window for establishing early market presence is critical. Organizations must begin experimenting with consumer use cases now, while usage patterns and preferences are still forming. The research shows that early adoption and experimentation lead to increased trust and engagement, creating a positive feedback loop that benefits both consumers and brands.

Content strategy evolution

Organizations must evolve their content strategies to align with demonstrated user preferences in conversational AI search. This evolution requires developing comprehensive, scenario-based content that supports natural conversation flows while maintaining brand voice and authority. The research shows that consumers value detailed, multi-faceted information delivered in a conversational context, with 74% reporting better decision-making capability when using these platforms.

Advertising integration

The positive reception to advertising in conversational AI search presents a unique opportunity for brands. Organizations should develop advertising strategies that enhance rather than interrupt the search experience, focusing on relevancy and context. With 46% of consumers reporting improved experiences from ads, brands have a clear mandate to experiment with new advertising formats and approaches in this emerging channel.

Conclusion

The transition to conversational AI search represents a fundamental shift in how consumers discover and engage with information. Our research demonstrates that while adoption is still in the early stages, consumer trust and satisfaction grow significantly with increased exposure and use. Organizations that effectively implement conversational AI search strategies now will be well-positioned to capture the significant value potential of this evolving landscape.

About the authors

Chaz Sargent

Chaz Sargent

GLOBAL HEAD OF SEARCH AT PUBLICIS GROUPE

Chaz Sargent is the SVP, Global Head of Search at Publicis Groupe, leading the organization's search marketing strategy and innovation initiatives.

Kelli Kemery

Kelli Kemery

MARKET RESEARCH MANAGER, MICROSOFT ADVERTISING

Kelli Kemery is lead researcher of the Microsoft Advertising Market Intelligence team, leading primary research around consumer and digital advertising trends with a focus on how brands can build personalized and authentic relationships in a digital world.

This white paper represents a collaboration between Microsoft Advertising and Publicis Groupe. The analysis is based on comprehensive research conducted in Q4 2024 with 2,120 consumers across the US, UK, Canada, and Australia.