If you searched for a "Grammarly Premium review", you are looking for a product that Grammarly has since renamed. The paid consumer tier that used to be called Premium is now sold as Grammarly Pro. The free tier is still just Grammarly (sometimes written "Grammarly Free"), and the team tier is still Grammarly Business.
We are keeping this page at /grammarly-premium-review rather than moving it, because the URL has been live and indexed since August 4, 2026 and renaming it would break existing links for no reader benefit. What matters is that the content is not stale: wherever older guides on the web — including older versions of this one — say "Premium", read "Pro". If a page still describes Premium as a current plan name, that page has not been updated.
The rename did not change the underlying product line. It is a naming change, not a new tier, and it is not a signal that a new plan sits above or below it. Anyone quoting a "Grammarly Premium" price in 2026 is quoting the current Pro price under an old label, which is harmless — but anyone claiming Premium and Pro are two different plans is wrong.
Grammarly runs three tiers. Every price below is a September 2026 snapshot, and each one is labelled with its billing cycle, because Grammarly charges materially different amounts depending on whether you pay monthly or annually.
| Plan | Price | Billing cycle | What it is for |
|---|---|---|---|
| Free | $0 | — | Basic grammar and spelling correction, 100 AI prompts per month |
| Pro | $30/mo | Billed monthly, cancel anytime | Full feature set at the highest per-month cost |
| Pro | $12/mo ($144/year) | Billed annually, paid upfront | The same Pro feature set, 60% cheaper per month |
| Business | $15 per user/mo | Billed annually | Team administration, seats, and shared standards |
Two things are worth pulling out of that table. First, Pro and Business are both billed annually at the prices shown — the $12/mo and $15/user/mo figures are annual-plan rates, not month-to-month rates. Second, the monthly Pro rate ($30) and the annual Pro rate ($12) describe the same product. There is no feature difference; the only variable is how you pay.
Twelve months at the monthly rate costs $360 ($30 × 12). The annual plan costs $144. Choosing monthly costs $216 more per year — a 150% premium for the privilege of not paying upfront.
Put differently: $30/mo is 2.5× the annual effective rate of $12/mo. This is not a Grammarly-specific trick — most subscription software prices this way — but the size of the gap here is large enough that it deserves to be stated plainly rather than buried in fine print.
Divide the annual fee by the monthly fee: $144 ÷ $30 = 4.8 months. That means the annual charge equals roughly five months of monthly payments. If you keep the subscription for more than about five months, the annual plan has already cost you less than paying month to month would have; every month past that is pure saving, up to $216 across a year. If you are confident you will use it for at least half a year, annual wins. If you are testing whether Grammarly fits your workflow at all, monthly is the honest way to find out — you pay a premium for the option to leave, and for a short test that premium is small.
Be clear-eyed about the risk on the other side: annual means $144 leaves your account on day one. If you stop writing in month two, monthly would have cost you $60 and annual cost you $144. The annual plan is a bet that you will still be using it in the second half of the year.
Grammarly's free tier is a permanent product rather than a trial, so start there and only upgrade once you know you need the consistency and tone layers.
See Grammarly's plans →The free tier is not a trial — it is a permanently free product, and for a lot of people it is genuinely enough. The honest framing is that Free handles correctness and Pro handles consistency and register, which are different jobs.
| Capability | Free | Pro |
|---|---|---|
| Grammar and spelling correction | Yes | Yes |
| AI prompts per month | 100 | Higher allowance — see the note below |
| Tone and clarity rewriting suggestions | Limited | Yes |
| Consistency checks (spelling, punctuation, formatting) | No | Yes |
| Plagiarism detection | No | Yes |
| Works in browser, desktop apps, and mobile | Yes | Yes |
| Drafts long-form content from scratch | No | No |
The last row is the one people get wrong. Grammarly is an editor. It will suggest a better sentence, flag a harsh tone, or catch a style inconsistency across a 3,000-word document — it will not write the document. If drafting is what you need, Grammarly belongs in the stack after a drafting tool, not instead of one. Our monthly cost breakdown covers what that two-tool stack actually costs.
Note the free tier's 100 AI prompts per month: that is a real allowance, not a demo. For someone who uses AI rewriting a handful of times a week, Free is a working product, and the upgrade case has to rest on consistency checks, plagiarism detection, and tone work rather than on basic correction.
Grammarly is not in our 30-day benchmark — it edits text rather than generating it, so we publish no generation score for it. The tools in that test are Claude, ChatGPT, Writesonic, Jasper, Rytr, Copy.ai, and Hypotenuse — the full method is published on our How We Test page. Because a generation score would not be a fair measure of an editor, we do not publish a score for it. Any number we printed would be invented, and invention is exactly what a review page should not do.
What this page can legitimately do is describe the plans, the billing structure, and the product's role in a writing stack, all of which rest on public information. What it cannot do is publish a score from our panel for a tool that never sat on our panel. If you see a Grammarly score on a site that did not test it, treat the number as decoration.
There is a second consequence worth stating: because our blind test did not include Grammarly, this page cannot compare Grammarly's correction accuracy to the other tools on measured data either. Where we describe it as strong at grammar and punctuation, that reflects the tool's established public reputation and our hands-on familiarity with it — not a benchmarked result from our 30-day panel.
Pro earns its price for a fairly specific set of people. The pattern in all of them is the same: they write enough that sentence-level quality compounds, and their writing goes in front of people who notice.
Business is billed annually at $15 per user per month. Do not compare that number directly to Pro's $12/mo annual rate and conclude Business is only $3 more — the comparison that matters is whether you need seat administration and a shared standard at all. For a solo writer, Business is a worse deal than Pro. For a team of ten that wants one style guide enforced across everyone's output, it is a different product category and $15/user/mo is not unreasonable.
The same billing logic applies here as everywhere else: $15/user/mo is the annual rate. Per-seat monthly pricing, where it is offered, runs higher. Confirm the current figure on Grammarly's own pricing page before you commit budget to it.
rel="nofollow" and nothing else. We do not mark them as sponsored because we cannot confirm a paid relationship — and we would rather under-claim than mislabel.Grammarly Pro is a good product with an unusually punishing billing structure, and those two facts are independent. The product is the best-known sentence-level editor available, and the Pro tier adds the consistency and tone layers that the free tier deliberately withholds. The billing structure means the same plan costs $144/year or $360/year depending on a single checkbox.
So the decision has two parts. First: do you actually need Pro over Free? If you write professionally, are a non-native English writer, or maintain long documents, yes. Second: if yes, do not pay monthly for more than a few months. Test on monthly if you need to test, then switch to annual once you know you are keeping it — the switch alone is worth $216 a year.
And if drafting is your bottleneck rather than polishing, this is the wrong category of tool. Start with our Grammarly alternatives page, or compare it directly against the writing tools in Grammarly vs Jasper. For the full picture of the product beyond the paid tier, see our main Grammarly review, and for a line-by-line plan breakdown, Grammarly pricing 2026.
We walked through the upgrade case tier by tier, including the billing maths above.
Read: Is Grammarly Premium Worth It? →No. Grammarly renamed the paid consumer tier from Premium to Pro, and this page keeps the old name in its URL only because that address has been indexed since August 2026. Wherever older guides say Premium, read Pro — they describe the same plan.
At the monthly rate of $30, only if you are testing and expect to stop soon. The same Pro plan costs $12/mo when billed annually ($144/year), so $30/mo is a 150% premium — $216 more across a year. If you will keep it past about five months, the annual plan is the correct choice, and $30/mo should be treated as a short-term rate.
Free covers basic grammar and spelling correction and includes 100 AI prompts per month. Pro adds tone and clarity suggestions, consistency checks across a whole document, and plagiarism detection. Neither tier drafts content from scratch — Grammarly is an editor, not a writer.
Grammarly is not in our 30-day benchmark: it edits text rather than generating it, and we publish no generation score for it. The tools in that test are Claude, ChatGPT, Writesonic, Jasper, Rytr, Copy.ai, and Hypotenuse. That is why this page publishes no score for Grammarly — the plan and billing analysis here rests on public information, not on our benchmark data.
No — Grammarly is an editing tool. It improves sentences you have already written but does not produce a draft. If you need drafting, pair it with a generator such as Claude or ChatGPT and use Grammarly as the polish step.