The shortlist can form before the visit
Classic web search offered a list of possible sources. The buyer still had to open the results, compare the evidence and decide which firms deserved attention. A generated answer can do some of that sorting in the response itself.
Imagine an executive asking how a new regulation will affect a market. The answer may introduce an advisory firm the executive has never heard of, quote its analysis and describe why its view matters. Or it may leave the best-qualified firm out altogether. By the time the buyer visits a website, the field has already begun to take shape.
Two movements are involved:
- Discovery: an unbranded question names the need, not the provider. The response can introduce a firm or source the buyer did not already know.
- Evaluation: a named or comparative question can frame a firm's relevance, strengths and relative position before the buyer speaks to it.
A firm may perform well in one and poorly in the other. It can receive a warm assessment when named yet never appear when the buyer asks the underlying question. It can also supply a useful fact while another firm receives the recommendation. The distinction matters because discovery and evaluation create different commercial positions.
What the evidence establishes
Forrester's 2025 Buyers' Journey Survey of roughly 18,000 business buyers found that 94% used AI during the buying process. Its 2026 buyer research also describes generative-AI search as a starting point while showing that buyers still turn to internal and external networks to validate important decisions. The two behaviours sit together: AI can shape the opening field without replacing the people who make and defend the purchase.
The platforms describe the same discovery surface from the product side. Google presents AI Mode as a way to explore complex questions and comparisons with links to supporting websites. OpenAI says public sites can be discovered, surfaced, cited and linked in ChatGPT search.
This does not make every answer current or every accessible source selectable. Behaviour varies by platform, question, available evidence and run. The durable change is the one visible from outside the system: source discovery and evaluative framing can happen before direct contact.
The first account of the market may not be yours
For expert firms, the buyer can ask the valuable question before asking whom to hire. If the strongest expertise is difficult to find or inspect, a weaker but more usable public source can define the problem, receive the credit and become the buyer's route to depth.
Reputation, referrals and a strong website still matter. They now operate alongside a pre-contact answer layer that can decide which firms the buyer notices and how their authority is understood. By the time the visit arrives, another source may already have set the terms.