Grammarly publishes 2 tiers, starting with a free plan. The cheapest paid tier is $0/mo and the top published tier is $12/mo. In AI Writing the median entry price is $26/mo, so Grammarly sits outside the measured band. Verified 2026-04-26 from the vendor pricing page.
Source: ComparEdge (CC BY 4.0). Verified 2026-04-26. Prices change — confirm on the vendor page before quoting.
Free $0/forever · Pro $12/user/mo The entry paid tier is $0/mo, verified 2026-04-26.
Yes. Grammarly ships a permanent free tier, in line with 62% of AI Writing products.
Against the AI Writing median entry price of $26/mo, Grammarly at $0/mo is at or below the market. The category range runs from $6.99 to $1000.
Freemium. Freemium only works when the marginal cost of a free user is close to zero and the upgrade trigger fires at a moment when willingness-to-pay structurally rises. These are the ladders that do it in practice.
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