A user creates an account and either writes in the Grammarly Editor or installs the relevant browser extension, desktop application, or mobile keyboard. Grammarly analyzes text while the product is active, displays suggested corrections or rewrites, and lets the user accept, reject, or customize the changes; generative features can also create or transform text from prompts.
What Grammarly is
Grammarly is a cross-platform AI writing assistant focused on improving written communication. Its core function is real-time analysis of text for grammar, spelling, punctuation, usage, clarity, concision, tone, and style. It also provides generative features that can transform existing text or create new text from a prompt.
The product is most useful when writing happens in many different places. Instead of requiring users to copy text into a dedicated editor, Grammarly can operate through a web editor, browser extensions, desktop applications, mobile applications, and integrations with supported work and communication tools.
What Grammarly actually does
Proofreading and rewriting
Grammarly identifies common writing problems and suggests corrections as a user works. Suggestions can address grammar, spelling, punctuation, sentence structure, word choice, clarity, and concision. Users can also select a sentence or paragraph and ask Grammarly to rewrite it for a different level of fluency, brevity, or tone.
Generative writing support
Its generative features can help draft replies, outlines, ideas, reports, and other text from prompts or existing writing. This makes Grammarly more than a conventional grammar checker, although writing improvement remains its central purpose. It is not primarily a research engine, autonomous agent builder, or general-purpose workspace assistant.
Tone, originality, and language support
Grammarly can provide tone guidance and help adapt text for contexts such as professional, formal, friendly, confident, or casual communication. Pro and eligible organizational plans include plagiarism and AI-text detection features. The product also documents multilingual writing assistance and translation across more than 20 languages, although availability varies by language, feature, and product surface.
How people use Grammarly
A typical setup involves creating an account and installing the relevant browser extension, desktop application, or mobile keyboard, or using the Grammarly Editor directly. Grammarly analyzes text while the product is active, displays corrections and suggestions, and lets the user accept, reject, or modify them. Generative tools can then be used to create or transform text from a prompt.
Common workflows include proofreading email, polishing reports, rewriting unclear sentences, adjusting the tone of customer communication, drafting replies, preparing marketing copy, and maintaining consistent writing standards across a team. The product can appear in environments such as Microsoft Word, Microsoft Outlook, Gmail, Google Docs, Slack, and other supported websites and applications. Teams may also use style guides, snippets, writing-performance analytics, roles, and administrative controls.
For comparison, Grammarly is focused on the writing layer of a workflow. A product such as Notion AI is more closely tied to a workspace containing pages, projects, and shared information, while Grammarly is intended to follow the user across many writing surfaces.
Platforms and integrations
Grammarly is available through its web editor, Windows and macOS applications, browser extensions for Chrome, Safari, Firefox, and Microsoft Edge, and mobile applications for iPhone, iPad, and Android. It also operates inside supported tools including Microsoft Word, Outlook, Google Docs, Gmail, Slack, Apple Mail, Confluence, Jira, Salesforce, Google Sheets, HubSpot, and Figma.
The exact behavior and feature set can differ between applications. Some generative features, language options, detection tools, and editing controls are plan- or surface-dependent. Grammarly also provides organization-focused APIs for areas such as analytics, license management, writing scores, AI detection, and plagiarism detection, but it is not presented as a general-purpose automation platform.
Pricing and access
Grammarly has a continuing Free plan with basic writing assistance. According to the current plans information, Free includes 100 AI prompts per month. The Pro plan starts at $12 per member per month when billed annually, while monthly billing is listed at $30 per month. Pro raises the allowance to 2,000 AI prompts per member per month and adds advanced rewriting, tone adjustment, personalized suggestions, plagiarism detection, and AI-text detection.
Enterprise pricing is customized. Enterprise accounts add organization-oriented administration, security, governance, analytics, and collaboration controls, with unlimited prompts per member per month listed in the current comparison. Users should check the current plans page because prices, allowances, and feature availability can change.
Privacy and data considerations
Grammarly states that it accesses text while a Grammarly product is actively being used, does not sell user content for advertising, and does not permit third-party language-model providers to train their models on user content. Generative features may involve limited service providers processing information needed to provide the requested functionality.
Product-improvement and training settings depend on account type. For Free, Premium, and single-user Pro accounts, product improvement and training are enabled by default but can be changed through privacy or data settings. For Enterprise, sales-purchased Pro or Business, and Grammarly for Education accounts, the relevant control is disabled by default according to the supplied policy information. Organizations should review account configuration and their applicable agreement rather than assuming that all plans have identical defaults.
Grammarly describes encryption, restricted access, secure network controls, and enterprise security options. Its privacy documentation also states that content used for troubleshooting and product improvement is generally retained for no longer than one year before deletion or de-identification, subject to account retention and legal requirements.
Strengths and limitations
Where Grammarly fits well
- People who write across browsers, email, documents, workplace software, and mobile devices.
- Users who want continuous proofreading instead of a separate editing step.
- Professionals and teams that need rewriting, tone guidance, style consistency, snippets, and administrative controls.
- Organizations that need writing analytics and managed security features alongside editing assistance.
Important limitations
- Advanced AI features and larger prompt allowances require a paid plan.
- Grammarly requires an internet connection for analysis and is not an offline writing application.
- Feature availability varies across plans, applications, devices, and languages.
- The underlying AI models are not publicly disclosed.
- Individual users need to manage product-improvement and training preferences if they do not want the default setting.
- It is a poor fit for dedicated research, autonomous workflow automation, project management, presentation creation, or advanced coding work.
Who should use Grammarly?
Grammarly is a strong fit for students, professionals, customer-facing teams, content teams, educators, and organizations that produce substantial written communication. It is particularly practical for users who move between email, documents, browsers, and mobile devices and want the same type of writing feedback in each environment.
Users who only need occasional spelling correction may find the paid plans difficult to justify, especially because the free version already covers basic assistance. Grammarly is also less suitable for people seeking a research tool with cited sources, an autonomous agent system, a collaborative project workspace, or a specialized creative-production application. Its main value is consistent, accessible support for writing and revision across existing workflows.
Grammarly is a cross-platform AI writing assistant for proofreading, rewriting, tone adjustment, drafting, translation, and originality checks. It works across web, desktop, mobile, browsers, and supported workplace applications, with a free plan, paid Pro features, and customized Enterprise controls.
Answers to Frequently Asked Questions
What are Grammarly's main limitations?
Grammarly requires an internet connection, and feature availability varies by plan, application, device, and language. Advanced AI features generally require a paid plan, the underlying AI models are not publicly disclosed, and Grammarly is not designed primarily for research, project management, autonomous automation, presentation creation, or advanced coding.
Is Grammarly suitable for teams and organizations?
Yes. Grammarly's organization-focused features include style guides, snippets, writing-performance analytics, roles, administrative controls, security options, license management, and collaboration features. Enterprise plans also provide customized governance and security controls.
How much does Grammarly cost?
Grammarly offers a Free plan with basic writing assistance and 100 AI prompts per month. Pro starts at $12 per member per month with annual billing or $30 per month with monthly billing, while Enterprise pricing is customized. Prices and feature allowances may change.
What is Grammarly used for?
Grammarly is an AI writing assistant that checks grammar, spelling, punctuation, clarity, concision, tone, and style. It can also rewrite existing text or generate drafts from prompts.
Which apps and platforms does Grammarly support?
Grammarly is available through its web editor, Windows and macOS applications, browser extensions, iPhone, iPad, and Android apps. It also works in supported tools such as Microsoft Word, Outlook, Google Docs, Gmail, Slack, Apple Mail, Confluence, Jira, Salesforce, Google Sheets, HubSpot, and Figma.