Grammarly
Grammarly is the writing assistant that lives where you type: browser, desktop, mobile, Google Docs and Microsoft Office. It catches errors in real time, rewrites for clarity and tone, and now adds AI drafting plus agents for humanising machine text and detecting it.
Its company is now Superhuman, uniting Grammarly with the Coda workspace and the Mail inbox under one suite, threaded together by a proactive assistant. The Grammarly product itself continues under its own name as the writing layer, on free and paid tiers.
Its enduring value is the safety net: a constant editorial pass over everything a person or a team writes, everywhere they write it.
- Cost
- Freemium (Free tier + paid plans)
- Ease
- Model
- Hosted service
- Checked
- August 2026
Prices, plans and model versions change fast: this is a mid-2026 snapshot; check the tool's official site for the latest.
Best for
- Real-time grammar, clarity and tone checking across nearly every app
- One-click rewrites that tighten without changing meaning
- A steady editorial register for teams and non-native writers
- AI drafting where you already type, not in a separate app
- Checking whether text reads as human or machine-made
Less suited to
Grammarly is an editor first: long-form generation, research and structural thinking belong to the general assistants. It polishes what exists more than it originates.
Its style sense is also opinionated. Distinctive voices should treat suggestions as suggestions, and organisations with strict data policies should review where its checking runs.
Costs & data, in short
Pro covers grammar, tone, rewrites and plagiarism for individuals. The Business tier only makes sense if you also want the bundled Superhuman Mail and Coda.
For confidential writing, check enterprise/DPA terms before pasting sensitive content; consumer tiers process text on Grammarly/Superhuman servers. Human-review AI rewrites for accuracy and voice. Note "Superhuman" is now the parent company: verify which product/tier you are buying, as stale listings cite retired "Starter" pricing.
Plans
| Free | Free |
|---|---|
| Pro | $12per user, per monthbilled annually; $30 per user per month if billed monthly |
| Enterprise | Price on applicationno list price published |
Prices as of August 2026. Prices and plans change regularly. Check with the provider before you buy.
In practice
How Grammarly is used, area by area.
Jobs
Consulting & strategy
Grammarly protects the polish consulting charges for
Grammarly protects the polish consulting charges for. Proposals, reports and client emails get a consistent editorial pass for clarity, tone and correctness across everyone who writes, inside the apps where writing happens, so it sharpens what the team writes rather than writing it for them. It suits firms where client-facing writing quality varies across the team and it shows. It polishes deliverables rather than thinking about them, so structure and argument stay with the author, and firm document templates govern formatting beyond its reach. It is the last editorial pass, not the strategy behind the page.
Example tasks
- Hold client deliverables to a consistent professional register
- Tighten proposal prose before it ships
- Standardise tone across a multi-author report
- Catch the embarrassing error before the client does
- Rewrite dense sections for executive readability
Limits
It polishes deliverables; it does not think about them. Structure and argument stay with the author, and firm document templates govern formatting beyond its reach.
Compares
| vs | Pick Grammarly when | Pick the other when |
|---|---|---|
| ChatGPTFull comparison → | Grammarly protects the polish consulting charges for, running a consistent editorial pass over proposals, reports and client emails across everyone who writes | the deliverable needs thinking and drafting, not polishing |
| Google GeminiFull comparison → | Grammarly catches the embarrassing error before the client does and rewrites the dense sections for executive readability | the deliverables live in Google Workspace and research depth matters |
| ClaudeFull comparison → | Grammarly holds client deliverables to one professional register and standardises tone across a multi-author report | a strategy task needs multiple sources reviewed, an unclear problem framed or a recommendation built from incomplete information |
Getting started
Grammarly is an easy first AI because it improves work you were already doing. It corrects and clarifies as you type, in the browser, email, Docs and Office, with no prompting to learn and no new destination, so watching it rework a clumsy sentence is many people's first concrete proof of AI assistance. The free tier covers the constant editorial pass, paid tiers add rewriting for clarity and tone, and the same safety net extends gradually from corrections to drafting. It is for anyone who wants AI value inside existing habits before learning new tools. It improves the writing you produce, while a general assistant shows what AI can produce, so both are worth starting, but know which job each does.
Example tasks
- Install once and get checking everywhere you type
- Fix grammar and clarity as you write email
- Rewrite an awkward sentence with one click
- Set a tone goal and hold drafts to it
- Try AI drafting for routine messages
Limits
It improves the writing you produce; a general assistant shows you what AI can produce. Both are worth starting, but know which job each does.
Compares
| vs | Pick Grammarly when | Pick the other when |
|---|---|---|
| QuillBotFull comparison → | Grammarly improves the work you were already doing, correcting and clarifying as you type with no prompting to learn and no new destination | you want to actively rework a draft, comparing paraphrasing modes for tone, formality and length against your original |
| WordtuneFull comparison → | Grammarly gives many people their first concrete proof of AI assistance: watching a clumsy sentence get reworked in the place they were already typing | the point is to keep the pen, writing the sentence yourself and choosing between versions it offers |
| ChatGPTFull comparison → | Grammarly installs once and checks everywhere you type from that point on, with a free tier for the constant editorial pass and a paid tier that sets a tone goal and holds drafts to it | the beginner wants one account that also drafts, summarises and reasons through a decision rather than only correcting what is already written |
| ClaudeFull comparison → | Grammarly's safety net extends gradually rather than opening as one tool for everything: corrections first, on the free tier, then a one-click rewrite of an awkward sentence, then AI drafting for a routine message once the habit is trusted | the beginner wants to brainstorm a project or turn rough notes into a structured plan from the first session |
| Google GeminiFull comparison → | Grammarly asks a beginner to install it where they write most and carry on working, with the value arriving as corrections and clearer sentences without being asked for | you are starting out, your work lives in Google's world, and free capability matters |
HR & recruiting
Grammarly quietly raises the standard of every HR document that leaves the team. Job descriptions, policy emails, review feedback and sensitive communications get checked for clarity, tone and consistency inside the apps where they are written, so people-related writing meets a standard before it leaves the team. For HR, that matters wherever tone and consistency carry weight. It edits and improves rather than generating from scratch, so bias in wording needs human judgement beyond mechanical suggestions, and candidate-facing text carries legal weight that tone checks cannot certify, so both get reviewed before anything is sent.
Example tasks
- Hold job posts to a clear, consistent register
- Polish candidate communications at volume
- Standardise interview feedback into readable form
- Tighten policy announcements for the whole company
- Keep sensitive messages error-free under time pressure
Limits
Bias in wording needs human judgement beyond mechanical suggestions, and candidate-facing text carries legal weight that tone checks cannot certify. Review both before anything is sent.
Compares
| vs | Pick Grammarly when | Pick the other when |
|---|---|---|
| ChatGPTFull comparison → | Grammarly quietly raises the standard of every HR document that leaves the team, checking job descriptions, policy emails and review feedback for clarity, tone and consistency | the documents need generating from scratch, from role definition through to interview questions |
| ClaudeFull comparison → | Grammarly polishes candidate communications at volume and keeps a sensitive message error-free while it is being written under time pressure | HR work needs structured thinking or synthesis, competency frameworks, interview scorecards and onboarding plans |
Legal & compliance
Grammarly gives legal writing a consistency check that scales
Grammarly gives legal writing a consistency check that scales. Contracts, policies and client communications get clarity and correctness passes without changing the meaning, and tone guidance keeps sensitive correspondence measured, so it edits language rather than law and the substance stays with the lawyer. It suits legal documents that need linguistic precision at high volume. Legal drafting has its own tools and conventions, and clarity suggestions can collide with terms of art, so use it for correspondence and communications rather than clauses. It sharpens the prose around the law; the clauses stay with counsel.
Example tasks
- Polish client and counterparty correspondence
- Keep long email threads professional under pressure
- Tighten internal policy communications
- Standardise a team's written register
- Catch errors in documents leaving the firm
Limits
Legal drafting has its own tools and conventions, and clarity suggestions can collide with terms of art. Use it for correspondence and communications, not clauses.
Compares
| vs | Pick Grammarly when | Pick the other when |
|---|---|---|
| ClaudeFull comparison → | Grammarly gives legal writing a consistency check that scales, passing contracts, policies and client communications for clarity and correctness without changing meaning | the documents need analysing and drafting rather than polishing, with clauses compared and obligations traced |
| Google GeminiFull comparison → | Grammarly keeps long email threads professional under pressure and catches the errors in documents leaving the firm, with tone guidance holding sensitive correspondence measured | legal-adjacent reading and drafting happens in a Google environment and very long contracts have to fit in context |
| ChatGPTFull comparison → | what gets changed is the language and not the law, so a paragraph comes back clearer without its meaning having moved | legal or compliance material needs reviewing, comparing or explaining |
Marketing
Grammarly keeps a marketing team sounding like one brand
Grammarly keeps a marketing team sounding like one brand. Tone settings and style guides apply across email, docs and content tools, catching the drift that creeps in when many hands write, so it is the quality layer over marketing writing rather than the generator of it. It is for teams where many people write for the brand and consistency is slipping. Brand voice is a creative decision, so Grammarly enforces consistency rather than distinctiveness, and copy that must sing still goes through a human writer, not a consistency checker. It protects the register; it does not invent the voice.
Example tasks
- Hold campaign copy to the brand's tone setting
- Polish everything from ads to landing pages
- Keep a multi-hand content team consistent
- Tighten long-form content before publication
- Catch errors in copy about to go paid
Limits
Brand voice is a creative decision: Grammarly enforces consistency, not distinctiveness. Copy that must sing still goes through a human writer, not a consistency checker.
Compares
| vs | Pick Grammarly when | Pick the other when |
|---|---|---|
| JasperFull comparison → | Grammarly keeps a marketing team sounding like one brand, applying tone settings and style guides across email, documents and content tools to catch the drift of many hands | the need is generating on-brand content at volume rather than protecting its quality |
| DeepLFull comparison → | Grammarly protects the register rather than inventing the voice, holding campaign copy to one tone setting across email, documents and content tools so many hands stop drifting apart | the campaign has to ship in more than one language and landing pages, email sequences and product pages need localising on a weekly cadence |
| ChatGPTFull comparison → | Grammarly polishes everything from the ad to the landing page and tightens long-form content before it publishes, catching the embarrassing error in copy that is about to go paid | the campaign concept, the creative brief and the channel assets do not exist yet and drafting all of it in one subscription is the work |
| ClaudeFull comparison → | Grammarly keeps a multi-hand content team consistent and catches the error in copy before it goes to paid spend, protecting the register a brand has already chosen rather than choosing it | the work is combining writing, research, analysis and strategy at once, turning scattered customer research into the messaging framework in the first place |
| Google GeminiFull comparison → | Grammarly is the quality layer and not the generator, which is a narrower job than producing the campaign and a different one | marketing runs through Google Workspace and procurement prefers fewer vendors, not more |
| WriterFull comparison → | the embarrassing error gets caught in copy that is about to go behind paid spend, which is the moment a small mistake stops being small | marketing AI needs guardrails a compliance team will sign off |
| WritesonicFull comparison → | long-form content gets tightened before it publishes, which is a judgement about how it reads rather than about how it will be found | the content is high-volume and keyword-targeted, and the team wants SEO and GEO without a separate subscription |
Productivity & personal assistant
Grammarly keeps everything you write clear
Grammarly keeps everything you write clear, wherever you type it. It lives in the browser, desktop, mobile, Google Docs and Office, catching errors in real time, tightening for clarity and adjusting tone, and now adds AI drafting where you already work. For a professional who writes all day across a dozen apps, it is a consistent editorial standard without a separate step.
The value is ubiquity: the same quality pass on an email, a doc and a message, without copying text anywhere. The individual whose writing carries their professional impression, and who wants it steady without thinking about it, gains the most.
Example tasks
- Check grammar, clarity and tone in real time as you type
- Apply a one-click rewrite that tightens without changing meaning
- Keep a steady editorial register across every app
- Draft with AI where you already write, not in a separate tool
- Check whether text reads as human or machine-made
Limits
Grammarly is an editor first, so long-form generation, research and structural thinking belong to the general assistants; it polishes what exists more than it originates. Its style sense is opinionated, so a distinctive voice needs a human to overrule it where the correction would flatten the writing.
Compares
| vs | Pick Grammarly when | Pick the other when |
|---|---|---|
| ChatGPTFull comparison → | Grammarly checks grammar, clarity and tone in real time as you type, so the editing happens where the writing does and never becomes a separate pass | you want a single flexible assistant for the mixed work of a normal day, drafting, summarising, planning and quick analysis |
| ClaudeFull comparison → | Grammarly keeps a steady editorial register across every app rather than raising the quality of one document at a time | the task in front of you rewards care, a nuanced message, a long document to digest or a plan to reason through |
| Google GeminiFull comparison → | Grammarly applies a one-click rewrite that tightens without changing the meaning, and will tell you whether a passage reads as human or machine-made | your working day sits inside Google Workspace and you want the assistant in the same place |
Tasks
Marketing content & SEO
Grammarly is the editorial pass in a content pipeline
Grammarly is the editorial pass in a content pipeline. Whatever drafted the piece, it catches errors, tightens sentences and holds tone against a style guide before publishing, working inside CMSs and docs alike, so one tool produces volume and this one protects quality. It suits content that ships fast and needs a reliable last line of editorial defence. It has no SEO layer, so keywords, briefs and optimisation live in the content platforms, and it makes the writing clean rather than discoverable. Pair it with a generator: the generator brings the words, and Grammarly holds the standard.
Example tasks
- Edit articles for clarity while keeping the author's voice
- Standardise tone across contributors
- Rewrite introductions and summaries for readability
- Keep error-free output at content-calendar pace
- Humanise AI-drafted paragraphs before publishing
Limits
It has no SEO layer: keywords, briefs and optimisation live in the content platforms. It makes the writing clean, not discoverable.
Compares
| vs | Pick Grammarly when | Pick the other when |
|---|---|---|
| ChatGPTFull comparison → | Grammarly is the editorial pass in a content pipeline, catching errors, tightening sentences and holding tone against a style guide before anything publishes | the pipeline needs the volume produced in the first place, from briefs to drafts |
| JasperFull comparison → | Grammarly has no SEO layer at all: keywords, briefs and optimisation live in the content platforms, and what it delivers is writing that is clean rather than discoverable | governed content should connect to the search half, with voice rules applied to everything generated |
| ClaudeFull comparison → | Grammarly humanises AI-drafted paragraphs before they publish, which is the pass after the drafting rather than the drafting | several sources need synthesising into one clear page around a defined audience and search objective |
| WriterFull comparison → | Grammarly standardises tone across contributors without asking the organisation to adopt a governance layer first | content operates under brand governance and compliance review at scale |
| WritesonicFull comparison → | Grammarly is the pass you pair with a generator: the generator brings the words and Grammarly holds the standard before anything publishes | one budget-friendly tool should cover drafting and optimising both |
Writing & research
Grammarly is the quality layer over everyone's writing
Grammarly is the quality layer over everyone's writing. It corrects, tightens and tunes tone inside whatever you write in, from email to documents to the browser, and its suggestions teach as they fix, so the durable value is an editorial pass that never gets tired or tactful. It is for writing quality that should rise everywhere you type, without changing where you type. It polishes prose rather than producing it, so drafting from nothing, deep restructuring and research belong to the full assistants with Grammarly as the pass after, and accepting every suggestion sands the voice off good writing: it optimises towards smooth, and some prose earns its friction, so treat it as counsel, not law.
Example tasks
- Catch errors and awkwardness in real time across apps
- Tighten sentences and improve clarity on demand
- Hold tone steady for the audience you choose
- Give non-native writers a constant editorial safety net
- Draft from a prompt, then edit it into your own voice
Limits
It polishes prose rather than producing it: drafting from nothing, deep restructuring and research belong to the full assistants, with Grammarly as the pass after.
Compares
| vs | Pick Grammarly when | Pick the other when |
|---|---|---|
| ChatGPTFull comparison → | Grammarly tightens a sentence and improves its clarity on demand, catching the awkwardness in real time inside whichever app the writing is happening in | the task combines research, synthesis and written output, a report or a brief that does not exist yet |
| QuillBotFull comparison → | Grammarly gives a non-native writer a constant editorial safety net, and will draft from a prompt so the result can be edited into your own voice rather than left in its | existing text needs rephrasing, tightening or checking, cheaply |
| DeepLFull comparison → | Grammarly's suggestions teach as they fix, which is what makes an always-on editorial pass worth more than the corrections themselves, and it works without changing where you type | the job is moving finished text between languages, or bringing a draft written in your strongest language up to publishable business English |
| WordtuneFull comparison → | Grammarly is a constant editorial safety net rather than a sentence workshop, holding tone steady for a chosen audience across everything typed | the sentence is already correct and the question is which of several shapes it should take |
| JasperFull comparison → | Grammarly polishes prose rather than producing it, so drafting from nothing and deep restructuring belong to the full assistants with Grammarly as the pass after | the writing is marketing content and brand consistency is a requirement rather than an aspiration |
| Google GeminiFull comparison → | Grammarly's durable value is an editorial pass that never gets tired or tactful | the writing rests on long documents or heavy research and you work in Google's tools |
| WriterFull comparison → | a suggestion is counsel rather than law, which matters because accepting every one of them sands the voice off writing that had earned its friction | writing quality means compliance and consistency, organisation-wide |
| WritesonicFull comparison → | the correction happens in the email, the document or the browser tab the writing is actually being done in, rather than somewhere it has to be taken first | everyday content drafting and rewriting matter but SEO does too, in one tool |
| ClaudeFull comparison → | the corrections teach as they fix, so what improves over a year is the writer and not only the document in front of them | a task requires both investigation and high-quality written output |
Where to start
Not sure what to adopt first?
Five quick questions about your job, task and constraints. We'll suggest your top three tools, plus the one to try first.
Alternatives
Same category, different strengths.
Common questions
Is Grammarly free?
There's a free tier to start; paid plans add capacity and features.
Where does Grammarly fit best?
Grammarly fits best in Consulting & strategy and Getting started; see its practice notes for how.
Before sharing confidential or personal data, check this tool's data-governance and training policies. They differ between providers and can change.
Last checked: August 2026