Grammarly advertises $0/month. Counting its 3 documented recurring fees, an illustrative monthly estimate is $12/month. This data has not yet been compared with the vendor's pricing page, so confirm current prices before buying. Vendor site (grammarly.com) — check its pricing page.
AI writing assistant for grammar, clarity, and tone. Free plan is basic, then $12-$15/user/mo for full features — but AI generation limits and team management create hidden costs.
Advertised Price
$0
/month
Estimated Monthly Cost
$12
/month (illustrative scenario)
Vs. Advertised
—
no comparable advertised price
Pricing Data
Pricing check date not recorded
Prices change often — confirm on the vendor's site before buying.
What the pricing page doesn't tell you
Generative AI features (rewrite, compose, ideate) have monthly prompt limits. Premium gets 1,000 prompts/mo, Business gets 2,000. Heavy users burn through mid-month.
Trigger: aiPrompts > 1000
+$0/mo
Free plan only catches basic grammar and spelling. Clarity, tone detection, word choice, formality level, and plagiarism detection require Premium at $12/mo.
Trigger: advancedFeatures > 0
+$12/mo
Grammarly Business at $15/user/mo. A 50-person team = $750/mo ($9,000/yr). Team analytics, style guides, and brand tones require Business tier.
Trigger: seats > 1
+$0/mo
| Plan | Monthly | Annual (per mo) | Key Limits | Overage Rules |
|---|---|---|---|---|
Free | $0 | $0 |
| No overages |
PremiumPOPULAR per user | $12 | $12 |
| No overages |
Business per user | $15 | $15 |
| No overages |
Grammarlyoffers a free plan, but with significant restrictions. Here's exactly what you get — and what forces you to upgrade.
⚠️ When you'll need to upgrade:
Most teams outgrow the free plan within 1-3 months. The first paid tier (Premium) costs $12/mo.
Grammarlycharges per user. Here's what your team will actually pay at different sizes.
| Team Size | Premium | Business |
|---|---|---|
| 1 user | $12/mo | $15/mo |
| 3 users | $36/mo | $45/mo |
| 5 users | $60/mo | $75/mo |
| 10 users | $120/mo | $150/mo |
| 25 users | $300/mo | $375/mo |
| 50 users | $600/mo | $750/mo |
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