Grammarly
Grammarly is AI writing assistance that proofreads, rewrites and tunes tone inside the apps where you already type.
Placement is the whole story — being already installed in the browser, Office ribbon and Zendesk reply box makes a team rollout about as low-friction as software gets. Pro at $12 per member per month billed annually (or $30 month-to-month) earns its keep the moment you want full-sentence rewrites, plagiarism and AI-text detection, and more than 100 prompts a month. If you need line-level style depth or real reference management, look elsewhere.
Verified 10h ago · liveness 93/100 · cite: rightaichoice.com/tools/grammarly
- Professionals sending daily email and reports who want grammar plus tone polish without leaving their apps
- Marketing and sales teams enforcing brand voice through style guides, brand tones and snippets
- Support teams replying inside Zendesk who need fast, on-brand answers
- Enterprises standardizing writing across departments with DLP, BYOK encryption, SCIM and SAML SSO
- Researchers needing serious reference management — citation support stays basic next to Zotero or EndNote
- Novelists wanting granular line-by-line style analysis — ProWritingAid goes deeper
- Anyone working offline or in air-gapped environments, since Grammarly depends on a cloud connection
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Skip Grammarly if you need line-level style critique, real reference management, or offline operation — ProWritingAid, Zotero or EndNote cover those better, and Grammarly needs a cloud connection.
Going past 2,000 AI prompts per member per month on Pro means upgrading to Enterprise, since prompts do not roll over between months
Pro at $12 per member per month billed annually ($30 month-to-month) is the cheapest serious writing assistant for a team already inside Microsoft 365 or Google Workspace, and it undercuts ProWritingAid Premium on a per-seat basis. Free covers individual proofreading well enough that solo writers may not need to pay. Enterprise is the real step up: only there do you get BYOK, DLP, SAML SSO, SCIM and unlimited prompts, so a 200-person regulated company is effectively buying the top tier, not Pro.
In short
Grammarly — Grammarly is AI writing assistance that proofreads, rewrites and tunes tone inside the apps where you already type. Best for Professionals sending daily email and reports who want grammar plus tone polish without leaving their apps, Marketing and sales teams enforcing brand voice through style guides, brand tones and snippets, Support teams replying inside Zendesk who need fast, on-brand answers. Free to start; paid plans from $12/user/mo.
What's new in Grammarly
Checked 8 days agoAcross the latest 5 updates: 4 feature updates and 1 launch.
Speech to text feature
Grammarly introduces speech-to-text for dictation and transcription, allowing you to dictate text directly into any supported app.
Grammarly Authorship in Blackboard
Grammarly Authorship now integrates with Blackboard, providing transparency about AI use in academic writing.
Grammarly AI Detector ranks #1 in quality
Grammarly's AI Detector tops quality rankings in an independent evaluation, improving trust in its AI-generated text detection.
Grammarly Docs with AI agents
Grammarly Docs introduces a collaborative workspace with context-aware AI agents for writing, thinking, and brainstorming.
Multilingual AI writing assistance
Grammarly adds AI writing support for Spanish, French, Portuguese, German, and Italian, including grammar, rewrites, and translation in 19 languages.
What people actually say about Grammarly — is it worth it?
We ran a structured research pass across product reviews, community discussions, and post-purchase forum threads to surface the patterns vendors won't publish themselves. Below: the recurring strengths, the hidden costs people mention most, and the cohort that consistently regrets adopting this tool.
96 mentions across 6 sources (Hacker News, YouTube, Product Hunt, App Store, Stack Overflow, Lemmy) · researched Aug 18, 2026.
Average across the 6 sources that answered — each source counts once, not each post.
- +Catches grammar and spelling mistakes in real time across all apps.
- +One-click full-sentence rewrites save time and improve clarity.
- +Tone detection helps adjust writing for different audiences.
- +Works everywhere: browser, desktop, Office, Google Docs.
- +Loved by non-native English speakers for confidence boost.
- −Free tier no longer fixes basic punctuation errors.
- −Privacy scandal over using authors' identities without consent.
- −Mobile dictation keyboard is glitchy and annoying.
- −Aggressive upsells and paywalls block quick fixes.
- −Performance lags on long documents; underlines appear late.
- • Free trial pushes you to sign up before showing you the result.
- • Plagiarism check is only on Pro, not free.
- • Mobile dictation was great before, now it's a buggy mess.
Viability Score
How well maintained and how widely used is Grammarly? Built from what the vendor actually publishes (docs, changelog, tutorials, integrations, pricing), whether the site is live, and how much real users discuss it. How we calculate this
Last calculated: October 2026
How we score →Key Features
- Real-time grammar, spelling and punctuation checking as you type
- Tone detection plus one-click tone adjustment for context
- One-click full-sentence and paragraph rewrites for clarity and flow
- Speech-to-text dictation and transcription into any supported app
- AI Detector agent that flags AI-generated text and areas to revise
- AI Detector ranked #1 in an independent quality evaluation
- AI Humanizer agent that gives writing more personality
- Plagiarism detection and citation consistency checks
- Generative AI prompts: 100/month Free, 2,000/member/month Pro, unlimited Enterprise
- Multilingual AI writing and rewrites in Spanish, French, Portuguese, German and Italian
- Translation across 19 languages
- Grammarly Docs collaborative workspace with context-aware AI agents
- AI Grader agent giving rubric-aligned feedback and an estimated grade
- Citation Finder agent that locates sources and auto-generates citations
- Reader Reactions previewing how an audience may respond to your writing
About Grammarly
Grammarly is an AI writing assistant for anyone who writes for a living and would rather not leave the window they're typing in. It runs as a Chrome, Safari, Firefox or Edge browser extension, as Windows and Mac desktop apps, through iPhone, iPad and Android keyboards, and inside Microsoft Office, Google Docs and Zendesk. Suggestions land inline as you type, so you accept or dismiss each one without breaking flow. The vendor counts 40 million people and 50,000 organizations on the platform. Paid tiers separate on capability rather than seat count. Pro unlocks one-click full-sentence rewrites, tone adjustment, inclusive-language checks, citation consistency, plagiarism detection and AI-generated-text detection — plus 2,000 AI prompts per member per month against 100 on Free. Enterprise layers on confidential mode, BYOK encryption, data loss prevention, SAML SSO, SCIM, an audit logs API, cost center visibility and unlimited prompts. Recent releases moved it well past proofreading. Speech-to-text now dictates and transcribes into any supported app. Grammarly Docs is a collaborative workspace with context-aware agents: AI Grader for rubric-aligned feedback, Citation Finder to locate sources and build citations, Reader Reactions to preview how an audience will take your draft. Multilingual writing, rewrites and translation cover Spanish, French, Portuguese, German, Italian and 19 languages in total, and Grammarly Authorship now sits inside Blackboard for AI-use transparency in coursework. Its AI Detector took first place in an independent quality evaluation. Enterprise is delivered through Superhuman Go. The honest frame: this is a corrector, rewriter and brand-voice layer, not a reference manager or a line-editing studio. If your team writes in browsers and shared docs all day, the placement is the product.
Behind the Verdict
We'd reach for Grammarly when the bottleneck is speed and consistency, not when it's craft. A support org answering inside Zendesk, a marketing team that keeps drifting off brand, a consultancy standardizing proposals — these are the buyers who get value on day one, because nobody has to change tools to benefit. The Style Guide, brand tones and snippets are the underrated part of Pro at $12 per member per month; they're what turn a personal spellchecker into a team editing standard. Where it bites: the annual commitment. Month-to-month runs $30 per member, so teams that aren't ready to commit for a year pay two and a half times the annual rate. We'd only sign month-to-month during a pilot, then convert. Students and educators have a genuinely differentiated angle now. Grammarly Authorship inside Blackboard gives instructors visibility into how AI was used, which is a problem most writing tools have simply ignored. Add AI Grader's rubric-aligned feedback and it's a credible classroom workflow, not just grammar help. The closest alternative depends on what you're missing. ProWritingAid goes deeper on line-level style analysis and structural reports — pick it if you're editing long-form prose and want diagnostics rather than suggestions. LanguageTool covers languages Grammarly doesn't. Zotero and EndNote remain the answer for anyone who actually manages citations at volume. Grammarly's citation support is consistency checking and source finding, not bibliography management. One caveat worth stating plainly: this is cloud-dependent. If you work offline, in an air-gapped environment, or under procurement rules that forbid sending draft text to a third party, the extension model is a problem, and Enterprise's confidential mode and BYOK encryption are the mitigation you'd
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Real-world workflow fit
Concrete scenarios for the personas Grammarly actually fits — and what changes day-one when you adopt it.
Installs the Chrome extension and desktop app on day one, writes proposals and replies as usual, and accepts sentence rewrites and tone suggestions inline without leaving Gmail or Outlook
Outcome: Faster replies with fewer follow-up clarification threads; Free covers proofreading, and Pro at $12 per member per month billed annually unlocks full-sentence rewrites once the 100-prompt cap starts biting
Sets up a style guide, brand tones and shared snippets, then rolls Pro seats out to writers so every draft picks up the same terminology and tone rules
Outcome: Consistent external copy without a review bottleneck; the analytics dashboard tracks adoption, but unlimited style guides and brand tones require Enterprise
Deploys the Zendesk integration plus browser extensions so agents get on-brand rewrite suggestions inside the reply box, with tone adjusted for frustrated customers
Outcome: Shorter handle times and more consistent replies; note that the compliance-grade controls — DLP, confidential mode, audit logs API — are Enterprise-only, so start that conversation early if security will ask
Use Cases
- Polishing professional emails for clarity and tone before sending
- Checking spelling and grammar in Google Docs before submission
- Drafting social media and marketing copy with a consistent brand voice
- Detecting accidental plagiarism and AI-generated text in academic papers
- Adjusting tone from formal to friendly in customer support replies from Zendesk
- Rewriting paragraphs for clarity in multilingual communications
- Dictating a first draft by voice into whichever app you already write in
- Previewing with Reader Reactions how a sales pitch will land before you send it
Limitations
- Grammarly offers Free ($0), Pro at $12 per month (with a reminder email 2 days before the trial ends), and Enterprise via contact sales.
- Pro adds full-sentence rewrites, tone adjustment, plagiarism and AI-generated text detection, and 2,000 AI prompts versus 100 AI prompts on Free, and it works across browser, desktop, mobile, and the Grammarly Docs writing space.
- The sources do not disclose the underlying AI models, any token limits, or specific API availability.
as of 2026-09-29
Verification history
We have re-verified Grammarly 95 times since . Each pass re-reads the vendor's own pages and re-checks every listed field against that evidence; passes where nothing had changed are marked as such.
- — re-checked, vendor evidence unchanged
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-checked, vendor evidence unchanged
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
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12-month cost
Project the real annual outlay, including the implied monthly cost when only an annual tier is published.
Vendor list price only. Add-on usage, seat overages, and contract minimums are surfaced under Hidden costs & gotchas.
Plans compared
For each published Grammarly tier: who it actually fits, and what it adds vs. the previous tier. Cross-reference the cost calculator above for projected annual outlay.
Free
$0/mo
Ideal for
Solo writer or student who mainly wants mistake-free text and a read on tone without paying anything
What this tier adds
Starting tier — proofreading, tone detection and 100 AI prompts per month, no rewrites or plagiarism checks
Pro
$12/member/mo billed annually ($30 when billed monthly)
Ideal for
Professional or small team writing daily email, docs and support replies who want rewrites and plagiarism detection
What this tier adds
Adds full-sentence rewrites, tone adjustment, fluent English, inclusive language, citation consistency, plagiarism and AI-text detection, and 2,000 prompts per member per month
Enterprise
Contact Sales
Ideal for
Larger organizations that need centralized administration, security review sign-off and unlimited AI use across departments
What this tier adds
Adds unlimited prompts, unlimited members, confidential mode, DLP, SAML SSO, SCIM, audit logs API, BYOK encryption, cost center visibility and an ROI Report
Where the pricing makes sense
The company stage and team size where Grammarly's pricing actually pencils out — and where peers do it cheaper.
Pro at $12 per member per month billed annually ($30 month-to-month) is the cheapest serious writing assistant for a team already inside Microsoft 365 or Google Workspace, and it undercuts ProWritingAid Premium on a per-seat basis. Free covers individual proofreading well enough that solo writers may not need to pay. Enterprise is the real step up: only there do you get BYOK, DLP, SAML SSO, SCIM and unlimited prompts, so a 200-person regulated company is effectively buying the top tier, not Pro.
Setup time & first value
How long it actually takes to get something useful out of Grammarly — broken out by persona, not the marketing-page minute.
Individual: minutes — install the browser extension or desktop app, sign in, and suggestions appear in whatever you already type in. Team on Pro: an afternoon to create the workspace, invite members, and configure a style guide, brand tone and snippets. Enterprise: one to two weeks, mostly spent on SSO, SCIM provisioning and the security review that unlocks confidential mode, DLP and BYOK.
Switching to or from Grammarly
How to bring data in from common predecessors and how to get it back out — written for the switcher, not the buyer.
- →From Microsoft Editor: install the Grammarly extension alongside or instead, keep writing in Word and Outlook, and move team terminology into a shared style guide
- →From ProWritingAid: run both for a month on the same documents, carry your house style rules into Grammarly's style guide, then drop the seat you use less
- →From LanguageTool: map your custom rules into Grammarly style guide entries, accepting that Grammarly's supported language set is narrower
- →From a standalone spellchecker or no tool at all: install the extension and add the Office or Google Docs add-in — there is no document corpus to import
- ↗To ProWritingAid: export or copy your style guide rules into its style settings, then run both on a sample of real documents before cancelling Grammarly seats
- ↗To LanguageTool: recreate style guide entries as custom rules, and re-check any non-English workflows since LanguageTool covers more languages
- ↗To Zotero or EndNote: keep Grammarly for proofing but move citation and reference work out, since Grammarly's citation tools are basic
- ↗To Microsoft Editor: cancel Pro renewal, remove the extensions and add-ins, and move brand terminology into Editor's rewrite settings
Integrations
Resources & Guides
- Resourcegrammarly.com
Grammarly Support
Helpful link from grammarly.com
- Documentationgrammarly.com
Grammarly Docs | All-in-one AI Document Editor
Draft, edit, and perfect your docs with our AI document editor. Improve grammar, style, and clarity at every stage.
- Resourcegrammarly.com
Grammarly Blog
The Grammarly blog is filled with writing tips and advice and information on grammar rules to help you write your best, wherever you write.
- Resourcegrammarly.com
Our Features
Grammarly is designed for the future of communication. Learn more about our trusted writing features like full-sentence rewrites, tone adjustments, and team style guides.
- Resourcegrammarly.com
Grammarly Superhuman Features | AI Productivity Tools
Get the latest Grammarly Superhuman features — advanced AI writing support, seamless browser integration, and productivity enhancements you can use today.
Tutorials & Learning
YouTube returned 6 videos for “Grammarly”, and we withheld 6: 6 could not be judged, because “Grammarly” is a single word that other videos use for other things. We are showing none, because we could not prove any of them are about Grammarly.
Official links
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Frequently Asked Questions
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