The Buyer Has Already Moved: How B2B Procurement Now Starts in a Chat Window

The Buyer Has Already Moved: How B2B Procurement Now Starts in a Chat Window

Executive Summary

One in four B2B buyers now use generative AI more than traditional search engines when researching suppliers, and 67% rely on AI chatbots as much as or more than Google or Bing for vendor evaluation. Four independent studies surveying 6,000+ B2B buyers worldwide converge on the same conclusion: the B2B buyer's journey has been restructured around AI-mediated discovery, and the shift is accelerating quarter over quarter.

Published February 2026 · Responsive · 6sense · Forrester · G2 · Combined Sample 6,000+ Buyers

  • 50% of B2B software buyers now start their journey in an AI chatbot rather than Google — a 71% jump in just 4 months (G2)

  • 94% of B2B buyers use LLMs during their buying process — surveyed across 4,510 buyers with $25K+ purchases (6sense)

  • 95% of winning vendors are already on the buyer's Day One shortlist — up from 85% prior year (6sense)

  • 89% of B2B buyers have adopted GenAI as a key information source — rising from ~0% in January 2024 (Forrester)

1. Four Landmark Studies Paint a Consistent Picture

The evidence comes from multiple independent studies conducted throughout 2024–2025, each with substantial sample sizes and rigorous methodologies. Their convergence on core findings makes the signal unmistakable.

StudySampleDateHeadline FindingKey Data Points
Responsive "Inside the Buyer's Mind"350+ B2B buyers worldwideOct 202525% use GenAI more than search; 67% as much or more40% use AI equally, 22% prefer GenAI; 80% of tech buyers use AI ≥ search; 48% of U.S. buyers use GenAI for discovery (vs. 14% other regions)
6sense Buyer Experience Report4,510 B2B buyers ($25K+ purchases)Nov 202594% of buyers use LLMs during buying processBuying cycle: 11.3 → 10.1 months; first vendor contact: 69% → 61% of journey; 95% of winners on Day One shortlist (up from 85%)
Forrester Buyers' Journey SurveyLarge-scale survey2024–202589% of B2B buyers adopted GenAI as key info sourceRose from ~0% in Jan 2024; B2B buyers adopt AI at 3× consumer rate; 87% report better business outcomes
G2 AI Search & Buyer Behavior1,000+ B2B software buyersAug 202550% start buying journey in AI chatbot — #1 source for shortlists71% increase in 4 months; AI chat now above review sites and vendor websites; ChatGPT preferred by 47–74% of buyers

2. The Journey Is Changing, but Decision Factors Are Not

The tools buyers use to discover vendors have transformed, but what ultimately closes deals has not. AI is functioning as a discovery and synthesis layer, not a decision-making authority. This creates a clear strategic framework: AI visibility determines whether you make the shortlist; traditional trust factors determine whether you win the deal.

2.1 What Closes B2B Deals (Unchanged)

FactorDataSource
RFP response quality81% cite as most important factor in final decisionResponsive
Industry expertise52% rank as top vendor selection factorResponsive
Price49%Responsive
Product fit46%Responsive
Meaningful vendor interactions16 per person — unchanged from 20236sense
Buying committee size10 people average6sense
Content consumed per journey13 pieces (8 vendor, 5 third-party)6sense

2.2 AI as Discovery Layer, Not Decision Maker

Trust SignalDataImplication
Buyers who fact-check AI responses90% click through to cited sourcesCitations must link to verifiable, high-quality content
Buyers with high confidence in AI contentOnly 20%AI narrows the shortlist — humans verify and decide
Buyers who agree vendors are transparentOnly 37% (vs. 87% of vendors who believe they are)Trust gap amplifies when AI synthesizes imperfect information

Strategic Framework: Win the AI citation to earn the conversation, then win the conversation with the same fundamentals that have always mattered — industry expertise, trust, and proposal quality. GEO investment amplifies rather than replaces existing go-to-market strengths.

3. The Day One Shortlist Effect

The single most consequential finding: 95% of winning vendors are already on the buyer's Day One shortlist. Combined with data showing buyers now build those shortlists inside AI chat windows, the logic chain becomes inescapable: if you're not cited when a buyer prompts "recommend the best [solution] for [use case]," you have a 5% or lower chance of winning the deal.

Shortlist DataFindingSource
Winners on Day One shortlist95% (up from 85% prior year)6sense
Shortlist size63% include just 2–3 products; 96% include ≤5Capterra / TrustRadius
Prior direct vendor experience85% — highest level ever recorded6sense
Shortlist creation method"One-shotting" — single AI prompt creates the consideration setG2

Funnel Compression: Traditional vendor discovery involved weeks of Google searches, analyst reviews, trade shows, and peer consultations. AI-mediated discovery collapses this into minutes. eMarketer describes it as "funnel compression" — discovery, evaluation, and comparison now happen in a single chatbot window. The battle for B2B revenue is now fought in the AI citation, not the sales meeting.

4. The TRACE Framework for AI Content Quality

As AI becomes the primary research layer for B2B procurement, the quality of AI-generated content about vendors becomes a critical business variable. Responsive introduced the TRACE Score framework (April 2025) as the first systematic approach to evaluating AI-generated content:

DimensionQuestion It AnswersWhy It Matters for GEO
TrustworthinessIs the content reliable and backed by verifiable sources?AI-generated vendor descriptions are often incomplete or outdated
RelevanceDoes it address the specific question and business context?Generic content loses to context-specific answers
AccuracyIs the information factually correct and current?Only 37% of buyers agree vendors are transparent
CompletenessDoes it cover all necessary aspects of the topic?Gaps in AI responses create blind spots buyers can't see
ExplainabilityCan the reasoning and source material be verified?90% of buyers click through to verify citations

5. Who's Leading the Shift: Generational and Industry Patterns

SegmentDataImplication
Tech sector buyers80% use GenAI ≥ search for vendor research (+21 pts above other industries); 56% use chatbots as top discovery source vs. 28% other industriesTechnology companies face the most immediate urgency
Gen Z buyers15% of B2B buying population; 86% use AI daily at work; avg 3.6 AI tools per person; nearly 2× average AI adoption rateGrowing share of buying committees, highest AI-native behavior
Enterprise buyers (2,000+ employees)42% use GenAI for vendor discovery vs. 18% at 501–1,000 employeesLarge enterprises lead — not startups; complex procurement needs drive AI use
U.S. buyers48% use GenAI for vendor discovery vs. 14% in other regionsU.S. market is the immediate battleground

Highest Urgency Profile: B2B technology companies selling to enterprise buyers in the U.S. face the most immediate need to establish AI visibility — a profile that maps to the B2B SaaS and cybersecurity segments where AI-mediated discovery is already the dominant buyer behavior.

6. The Preparedness Gap Creates First-Mover Advantage

MetricDataSource
B2B companies with 75–100% AI-ready contentOnly 11%10Fold (400 senior marketing execs)
Fortune 500 companies systematically tracking AI searchOnly 16%McKinsey CMO survey
GEO performance vs. SEO performanceIndustry leaders lag 20–50%McKinsey
AEO product category growth7 → 150+ products in 10 months (2,000%+)G2
B2B marketers citing GEO as #1 success metric35% (above brand awareness 34%, SEO 29%)Industry survey
Buyers planning to increase AI usage53% over next yearResponsive
Source preference biasAI models compound citations for previously reliable sourcesPrinceton GEO research

7. From Research to Action: Three Non-Negotiable Steps

ActionWhat to DoWhy the Data Demands It
1. Audit your AI presence immediatelySearch for your brand and categories in ChatGPT, Perplexity, and Google AI Overviews. If absent from AI recommendations, you are losing pipeline today.95% of winners on Day One shortlist; shortlists now built in AI chat windows; 50% of buyers start in AI chatbot
2. Restructure content for citation, not conversionAI engines favor ungated, structured, answer-first content over conversion-focused landing pages. FAQ pages, comparison guides, original research with statistics, and buyer-language content earn citations.90% of buyers fact-check by clicking cited sources; only 5–10% of AI sources are the brand's own website; third-party presence matters more
3. Measure what matters nowCitation frequency, share of voice in AI responses, and competitive positioning across AI platforms are the emerging metrics. Website traffic and keyword rankings are increasingly incomplete.Only 16% track AI search; 35% of marketers cite GEO as #1 metric; AI adoption will continue accelerating (53% plan to increase usage)

Frequently Asked Questions

How many B2B buyers actually use AI for vendor research?

Across four independent studies, the data is overwhelming: 94% use LLMs during buying (6sense, 4,510 buyers), 89% have adopted GenAI as a key info source (Forrester), 67% use AI chatbots as much or more than Google/Bing (Responsive), and 50% now start their journey in an AI chatbot rather than Google Search (G2, 71% jump in 4 months).

Does AI visibility actually affect deal outcomes?

Yes — 95% of winning vendors are on the buyer's Day One shortlist (6sense), and those shortlists are now built in AI chat windows. 63% of shortlists include just 2–3 products. If you're not cited in AI responses for your category, you have a ≤5% chance of winning the deal regardless of your product quality.

Have decision factors changed along with discovery channels?

No — the research shows a reassuring consistency. Industry expertise (52%), RFP quality (81%), price, and product fit remain the top factors that close deals. Buyers still average 16 meaningful interactions with the winning vendor and fact-check 90% of AI responses. AI determines who makes the shortlist; human judgment and trust determine who wins.

Which buyer segments are leading AI adoption?

Tech sector buyers (80% use GenAI ≥ search), enterprise companies with 2,000+ employees (42% vs. 18% at smaller companies), U.S. buyers (48% vs. 14% other regions), and Gen Z (86% use AI daily, 3.6 tools per person). B2B SaaS and cybersecurity companies selling to U.S. enterprise face the most immediate urgency.

Sources & Methodology

This report synthesizes four independent landmark studies with a combined sample exceeding 6,000 B2B buyers: Responsive "Inside the Buyer's Mind" (350+ buyers, Oct 2025, CATI methodology by Adience), 6sense Buyer Experience Report (4,510 buyers with $25K+ purchases, Nov 2025), Forrester Buyers' Journey Survey (2024–2025), and G2 AI Search & Buyer Behavior (1,000+ software buyers, Aug 2025). Additional data from TrustRadius, Capterra, eMarketer, McKinsey, 10Fold, and Princeton GEO research.


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