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Glossary
Product-market fit
Product-market fit (PMF) is the condition in which a product creates sustained, evidenced demand within a defined market — customers find enough value that they use, retain, and/or pay in a repeatable way — so growth is not driven only by temporary persuasion or one-off launches.
Why it matters
Before PMF, scaling marketing usually burns cash against weak retention or weak willingness to pay. After PMF, distribution and go-to-market still matter, but the product has evidence that a defined market values it enough for demand to be durable.
“Market pull” is useful shorthand for that demand signal. It does **not** require that customers arrive without acquisition spend, that referrals are always strong, or that CAC is low. Specialized enterprise markets can show real PMF while still needing high-touch sales, long buying cycles, and deliberate outbound effort. Evidence still matters: renewal, expansion, usage intensity, and willingness to pay for a named segment — not vanity launch metrics.
Distinguish product-market fit from problem-solution fit. Problem-solution fit asks whether a proposed solution meaningfully addresses a validated problem for target users. Product-market fit asks whether the product, as offered in a market, generates sustained valued demand. Teams often declare PMF after a few enthusiastic interviews; retention, willingness to pay, and repeat purchase or expansion are stronger evidence.
Example (enterprise): A B2B analytics startup sells through a six-month enterprise motion. PMF is not inferred from “organic viral growth.” It is inferred when design partners renew, expand seats, and continue budgeting for the product under normal procurement — even though acquisition remains sales-assisted.
Mechanisms
- Define the target customer and use case narrowly enough that “fit” can be observed.
- Gather evidence of pull — retention, engagement, willingness to pay, referrals — not only acquisition volume.
- Refuse to scale channels that only work while heavy subsidy or heroics mask weak product value.
Boundaries
- Product-market fit ≠ problem-solution fit; solving a problem in tests does not prove sustained market demand for the product offer.
- Product-market fit ≠ guaranteed organic growth, unsolicited referrals, or low CAC; high-touch markets can still have PMF.
- Product-market fit ≠ a single survey score or viral tweet; it is a condition evidenced over time in a defined market.
- Declaring PMF to unlock fundraising does not create PMF.
Related topics
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