A lot has changed since generative AI large language models became publicly available in 2022. Back then they were a curiosity, widely used but separable from the rest of the digital world. Now they’re firmly embedded in search engines, research tools, and business workflows. It’s not just that LLMs are inescapable, though that’s certainly true. It’s that they’ve fundamentally changed the way companies and consumers interact with information.
That leaves today’s businesses at a crossroads. By and large, GenAI models now act as knowledge engines, effectively usurping the role of traditional search. If your brand isn’t part of the conversation that these models pick up on, you risk invisibility in the digital landscape.
In this new context, public relations has become more essential than ever—not just for human readers, but also for the AI systems that shape visibility. Here are three reasons why.
Earned Media Fuels AI Knowledge Engines
LLMs don’t create knowledge out of nowhere. They absorb and reference content from credible, published sources: news articles, news outlets, trade publications, academic papers, government filings and more. That means earned media isn’t just for human readers anymore. It’s also the raw material AI relies on to answer questions like “Who are the leading voices in climate policy?” or “Which fintech startups are driving innovation?”
In fact, a recent MuckRack study found that 89% of links cited by LLMs come from earned media, not company websites. And AI-search tools like Google AI Overviews, ChatGPT, and Perplexity increasingly reward brands that show up in credible outlets, get cited by authoritative sources, and form part of the broader conversation.
In other words, PR doesn’t just shape reputation in human minds. It shapes the training data and reference graph AI uses to determine which brands are visible, trustworthy, and worth surfacing.
SEO is Shifting From Keywords and Backlinks to Authority, Context, and Reputation
Traditional SEO emphasized keyword optimization, on-page structure, technical performance, and backlinks. Those still matter, but as AI search (and AI answer interfaces) become more common, other factors like entity recognition and reputation are becoming just as important, if not more so. Simply put, AI cares about what others are saying about you. Mentions in credible media, trade outlets, and cited sources play heavily into how AI helps people discover brands.
Moreover, with GenAI now setting the terms for information consumption, it’s increasingly hard to tell what’s authentic and what’s automated. Misinformation and “AI hallucinations” are all too common. But PR cuts through that noise by establishing a verifiable record of your company’s expertise, values, and impact through trusted third-party coverage. When decision-makers consult LLMs for market research (and they will), they’ll be more inclined to trust answers backed by citations from authoritative outlets. Credibility is currency, and it’s PR that provides that credibility.
PR Powers GEO (Generative Engine Optimization)
The rules of discovery are changing fast. Traditional SEO still matters, but it’s increasingly about whether your brand is included in the answers that LLMs deliver. When Google Gemini, ChatGPT, or Perplexity generate summaries, they prioritize brands with a consistent, authoritative media presence. If you’re not cited, you’re invisible.
This is where PR and SEO converge into what’s being called Generative Engine Optimization (GEO). GEO means optimizing not just for keywords and backlinks, but for mentions, citations, and credibility in third-party coverage that AI systems trust. More than just being PR tactics, thought leadership, expert commentary, and data-driven storytelling have become essential GEO strategies.
The Bottom Line
AI is rewriting the rules of information discovery, but it hasn’t changed a fundamental truth: visibility drives opportunity. PR is the engine that ensures your company not only reaches today’s audiences but also earns its place in tomorrow’s AI-curated narratives. For businesses serious about growth and credibility in this new era, PR is not optional, it’s essential.
Want to dive deeper into how AI search is reshaping brand visibility? Join me, PRSA-LA, and PRophet for a live webinar on Tuesday, September 30, 2025, 8:00–9:00 AM PDT. We’ll unpack why earned media is the new cornerstone of discovery, how generative AI prioritizes trusted editorial coverage, and what practical steps PR and marketing teams can take to win in this new landscape. Register here.
