article

AEO vs. SEO: Is Your Content Strategy Ready for 48% of Buyers Researching with AI?

48% of B2B buyers now use AI for vendor research. AI-referred traffic converts 23x faster than organic search. Learn how to allocate budget between SEO and AEO, measure citation rates, and secure early-mover advantage before competitors lock in category authority.

Liam Dunne
Liam Dunne
Growth marketer and B2B demand specialist with expertise in AI search optimisation - I've worked with 50+ firms, scaled some to 8-figure ARR, and managed $400k+/mo budgets.
December 9, 2025
10 mins

Updated December 9, 2025

TL;DR: AEO isn't replacing SEO, but it is capturing the research phase of the buying process. By 2026, traditional search volume will drop by 25%, yet the intent hasn't disappeared. It has moved to AI platforms where 48% of B2B buyers now conduct vendor research. The conversion opportunity is significant: AI-referred traffic converts at 23x the rate of traditional organic search. You need both strategies working in concert. SEO captures bottom-funnel, branded queries and drives conversions. AEO influences top-of-funnel research and gets your brand cited when prospects ask AI for recommendations. Budget allocation should reflect this split, with 10-20% initially dedicated to AEO, scaling to 30-40% as results compound. Companies that secure citations early compound their advantage as AI models reinforce those associations over time.

Most B2B SaaS companies rank well on Google but remain invisible when prospects ask ChatGPT for recommendations. Nearly half of B2B buyers now use AI tools to research software. If your content strategy focuses entirely on traditional SEO, you are ignoring a channel converting at rates that dwarf everything else in your funnel.

A prospect told a sales team last week they "did their research with ChatGPT" before evaluating vendors. The company wasn't mentioned. Three competitors were, along with detailed explanations of why they were good fits. The deal was lost before the sales team knew the opportunity existed.

This is the new invisible pipeline leak. The question isn't whether to invest in Answer Engine Optimization. The question is how to balance it with your existing SEO foundation without wasting budget or losing the rankings you have built.

The great divergence: Why AEO is not just "new SEO"

Traditional search and AI-powered answers retrieve and present information in fundamentally different ways. This isn't just a new interface for the same underlying system.

When a user types a query into Google, the search engine returns a list of ranked web pages. The goal of traditional SEO is to appear as high as possible in that list to drive clicks and traffic to your site. When a user asks ChatGPT, Claude, or Perplexity the same question, they receive a synthesized answer that may cite multiple sources or provide recommendations without requiring any clicks at all.

This is the core distinction. Traditional SEO optimizes for rankings and traffic, while AEO optimizes for citation and influence within the answer itself.

How the mechanics differ

Focus on the four most important mechanical differences. These determine which tactics work for each channel:

Factor Traditional SEO Answer Engine Optimization (AEO)
Primary goal Rank higher on search engine results pages to drive website traffic Deliver direct, precise answers and get cited within AI-generated responses
Target audience Users browsing and willing to click through for detailed information Users seeking immediate, conversational answers from AI platforms
Core signals Keywords, backlinks, on-page optimization, technical site health Structured data, schema markup, entity recognition, content clarity
Content format Long-form, keyword-rich articles and blog posts Short, structured formats like FAQs, data blocks, and answer-focused sections
Measurement Rankings, organic traffic, click-through rates, time on page Citation rate, share of voice in AI responses, brand mention sentiment

The algorithmic differences run deeper than this table suggests. Large Language Models (LLMs) prioritize factual consistency across sources, recent and timestamped information, and third-party validation signals that traditional search engines may overlook. A page can rank #1 on Google for a high-value keyword but never be cited by ChatGPT if it lacks the structure and authority signals AI models prioritize.

Our analysis of 500+ B2B SaaS brands shows companies are often invisible in 80% of AI-generated answers for buyer-intent queries in their category, even when they rank in the top three positions for those same queries on Google. This invisibility gap is the strategic threat.

The zero-click reality

The rise of AI-powered search accelerates a trend that began years ago with Google's featured snippets and "People Also Ask" boxes. Users are getting answers without clicking through to websites.

For B2B SaaS companies, this changes the game. Your content must do more than attract visitors. AI platforms must cite you as the source when they synthesize answers. When a prospect asks, "What's the best compliance software for financial services firms?", being mentioned in that answer, with context about why you are a strong fit, is more valuable than ranking #1 and hoping for a click.

Research from Seer Interactive found a correlation between first-page Google rankings and LLM citations, but the relationship is not guaranteed. Backlinks had a weak impact on AI mentions, contrary to their strong influence on traditional SEO. This suggests that the playbook is genuinely different.

The split funnel: How to allocate your budget

The shift to AI search is not erasing demand. It is redistributing where in the funnel that demand surfaces and how buyers express it.

Gartner's February 2024 forecast predicting a 25% drop in traditional search volume by 2026 does not mean 25% fewer buyers. It means 25% of search queries are moving to AI chatbots and other virtual agents that function as "substitute answer engines."

This redistribution creates a funnel split. SEO is retreating to the bottom of the funnel, where buyers know what they want and search for branded terms, product comparisons, and vendor-specific information. AEO is capturing the top and middle of the funnel, where buyers are problem-aware or solution-aware but have not yet formed a shortlist.

A practical budget framework

A phased approach based on company stage and SEO maturity provides a starting point.

For companies with established SEO programs:

  • Phase 1 (Months 1-3): Allocate 10-20% to AEO. Use this budget to conduct an AI visibility audit, optimize your highest-performing SEO content for AI citation, and begin producing new AEO-focused content. Track citation rate and AI-referred traffic to establish a baseline.
  • Phase 2 (Months 4-9): Scale to 20-30% as results compound. If the initial phase demonstrates measurable citation improvements and pipeline contribution, increase investment. Focus on content volume, third-party authority building, and expanding coverage across more buyer-intent queries.
  • Phase 3 (Months 10-18): Mature allocation of 30-40% AEO, 60-70% SEO. At maturity, AEO and SEO work as integrated but distinct channels. SEO maintains existing rankings and captures bottom-funnel intent. AEO continuously influences AI models and captures research-phase traffic.

Budget allocation should reflect 70% to core digital visibility (SEO, AEO, local search), 20% to amplification (PR, ads), and 10% to experimentation with emerging platforms. Within that 70%, the AEO vs. SEO split depends on your strategic priorities and the evidence you gather from early tests.

Why waiting costs more than acting now

Failing to invest in AEO now creates a compounding disadvantage. AI models build associations over time. If your competitors establish themselves as the cited authorities in your category while you remain absent, reversing that narrative becomes exponentially harder.

A BrightEdge study found that 68% of brands are actively changing their strategies to adapt to Generative Engine Optimization. The early movers are securing category mindshare. The laggards will find themselves explaining why they are not part of the conversation when prospects arrive at the sales call having already formed opinions based on what AI told them.

How to win: The CITABLE framework

At Discovered Labs, we developed the CITABLE framework to systematically engineer content for LLM retrieval. This framework addresses the specific signals AI models prioritize when deciding which sources to cite.

The acronym stands for seven optimization pillars:

C - Clear entity and structure (2-3 sentence BLUF opening)
Lead with a crisp, bottom-line-up-front answer that AI models can immediately parse and extract.

I - Intent architecture (answer main and adjacent questions)
Address the primary query and likely follow-up questions to increase citation surface area across related queries.

T - Third-party validation (reviews, UGC, community, news citations)
External signals like Reddit, G2, and Wikipedia carry more weight than your own claims.

A - Answer grounding (verifiable facts with sources)
Provide data and statistics with clear sourcing to meet LLM requirements for factual accuracy.

B - Block-structured for RAG (200-400 word sections, tables, FAQs, ordered lists)
Format content in digestible blocks that Retrieval-Augmented Generation systems can easily extract and reuse.

L - Latest and consistent (timestamps and unified facts everywhere)
Ensure your information is recent and consistent across all digital properties to avoid being skipped for conflicting data.

E - Entity graph and schema (explicit relationships in copy)
Use structured data markup and make entity relationships explicit so AI understands exactly what you are and how you relate to other entities in your category.

This framework is not a checklist you apply once. It is an operational methodology that informs how you produce content at scale. Our case study with a B2B SaaS company shows the impact: they went from 550 to over 2,300 AI-referred trials per month in four weeks by applying CITABLE principles across their content library.

Top AEO agencies for B2B SaaS: A comparison

As the demand for AEO grows, three main options have emerged for B2B SaaS companies seeking to capture AI-driven demand.

Agency type Focus Content volume KPIs and reporting Ideal for
Specialized AEO agency Optimizing for citations and brand mentions in AI-generated answers Daily to 2-3x daily content production, 20-60 pieces per month Citation rate, share of voice in AI answers, sentiment analysis, AI-referred pipeline Companies prioritizing early-mover advantage in AI search, willing to invest in a specialized partner
Traditional SEO agency with AEO offering Improving search rankings with AEO as an add-on service Weekly to bi-weekly, 10-15 pieces per month Primarily organic traffic and keyword rankings, some qualitative AEO visibility reporting Companies with strong existing SEO wanting to adapt strategy to include AI platforms
Generalist marketing agency Broad digital marketing execution across multiple channels Variable based on overall campaign needs Integrated campaign ROI, brand awareness, lead generation across all channels Businesses seeking full-service partner, with AEO as one component of holistic strategy

The gap between specialized AEO and traditional SEO agencies is not just volume. It is depth of understanding of how LLMs process and retrieve information. Many traditional agencies are adding "AEO services" to their offerings, but their methodologies often remain rooted in keyword research and backlink building rather than entity optimization and passage retrieval.

A survey by Acquia and Researchscape found that 45% of marketers cite budget constraints as the biggest barrier to adopting AEO, followed by lack of internal expertise at 40%. Partnering with a specialized agency addresses both constraints by providing the technical depth and operational infrastructure required to compete in this new channel without building it in-house.

For a deeper analysis of agency options, see our guide on choosing a B2B SaaS marketing agency for AEO.

![Comparison chart: AEO vs SEO agency workflow][image_aeo_seo_agency_workflow_comparison]

Measuring the invisible: ROI and attribution

The objection I hear most often from VPs of Marketing is straightforward. "How do I track this? How do I prove ROI to my CEO?"

Traditional SEO metrics like keyword rankings and organic traffic do not capture AEO performance. You need a new measurement framework built around visibility in AI-generated answers and the quality of traffic those answers drive.

Core AEO metrics

Visibility metrics:

  • Citation rate: The percentage of relevant buyer-intent queries where your brand is mentioned in AI-generated answers. Track this across ChatGPT, Claude, Perplexity, and Google AI Overviews. A baseline of 5-10% is common for companies with no AEO strategy. Optimized brands reach 40-50% within 3-6 months.
  • Share of voice: Your citation frequency relative to competitors in your category. If competitors are cited in 60% of answers and you are in 15%, you have a 45-point share-of-voice gap.
  • Featured snippet and PAA appearances: While not pure AEO, these SERP features are often pulled into AI answers. Track how often your content appears here.

Engagement metrics:

  • AI referral traffic: Use UTM parameters to tag and track traffic originating from AI platforms. While absolute volume may start small, watch the growth rate and engagement behavior.
  • On-page engagement of AI-referred visitors: The Ahrefs study revealed that AI-referred traffic had significantly longer session durations and lower bounce rates than traditional organic search, indicating higher intent and engagement.

Conversion metrics:

  • AI-referred MQLs and pipeline contribution: Attribute leads and pipeline to AEO efforts. This requires clean UTM tagging and alignment with your CRM attribution model. The Ahrefs data showing 23x higher conversion rates provides a benchmark, but measure your own funnel to build an internal business case.
  • Deal velocity and close rates: Early signals suggest that AI-referred leads move faster through the pipeline because they arrive more educated and further along in their research.

For a practical tool to model AEO ROI, use our ROI calculator to see how citation rate improvements translate to pipeline value based on your average deal size and sales cycle.

AI-referred traffic is harder to attribute than traditional search. A prospect may research with ChatGPT, never click through to your site, and then later search for your brand directly on Google. Track this through brand search volume increases, direct traffic spikes, and sales team feedback. Ask inbound leads "How did you first hear about us?" during qualification calls and log responses in your CRM to build qualitative proof alongside your quantitative metrics.

Explore our guide on how to ensure your content is optimized for AI search and generates pipeline for a step-by-step framework.

![Flowchart: AI-referred buyer attribution path][image_ai_attribution_flowchart]

Act now: The strategic window is closing

The strategic question is not whether AEO will matter. The question is whether you establish authority now while category narratives are forming or wait until competitors have locked in their positions.

Maintain your SEO foundation. Protect existing rankings, optimize for branded queries, and drive traffic that converts today. But allocate 10-20% of your budget immediately to AEO. Run an AI visibility audit, produce content using the CITABLE framework, and build third-party authority through community engagement. Measure citation rate and AI-referred traffic monthly. The companies that win in 2026 will treat this as a true channel expansion rather than a trend to monitor from the sidelines.

Stop guessing where your brand appears in AI answers and see exactly where you stand against competitors.

FAQs

Is SEO dead because of AI search?
No. Traditional search volume is declining but remains critical for branded queries and bottom-funnel conversions where intent is clear.

How long does it take to see results from AEO?
Initial citations appear in 4-8 weeks. Meaningful citation rates (30-40%) and measurable pipeline impact typically require 3-4 months of consistent optimization.

Can I optimize for AEO without changing my existing SEO strategy?
Yes, with limitations. Many AEO principles enhance SEO, but the volume and format requirements differ and require dedicated investment.

What percentage of my marketing budget should go to AEO?
Start with 10-20% for companies with established SEO. Scale to 30-40% over 12-18 months as results compound and traditional search volume continues declining.

How do I track if AI platforms are citing my brand?
Use a combination of manual query testing across ChatGPT, Claude, and Perplexity, specialized AEO tracking tools, and UTM-tagged traffic from AI referrals in your analytics.

Key terms glossary

Answer Engine Optimization (AEO): The practice of structuring content so AI-powered platforms cite your brand when answering user queries. Focuses on entity clarity, factual grounding, and passage retrieval rather than keyword density and backlinks.

Citation rate: The percentage of relevant buyer-intent queries where your brand is mentioned in AI-generated answers. Measured across platforms like ChatGPT, Claude, Perplexity, and Google AI Overviews.

Share of voice (AI search): Your brand's citation frequency relative to competitors in your category within AI-generated answers. A key competitive benchmark for AEO performance.

CITABLE framework: Discovered Labs' proprietary methodology for optimizing content for LLM retrieval. Stands for Clear entity, Intent architecture, Third-party validation, Answer grounding, Block-structured for RAG, Latest and consistent, Entity graph and schema.

AI-referred traffic: Website visitors who arrive via links or recommendations from AI platforms like ChatGPT, Claude, or Perplexity. Converts at significantly higher rates than traditional organic search traffic.

Entity optimization: The practice of making relationships between entities (people, places, organizations, products) explicit in content and structured data. Critical for LLM understanding and citation.

Continue Reading

Discover more insights on AI search optimization