Grammarly

Grammarly is an AI-powered writing and communication assistant that helps users write clearly, correctly, and confidently. It provides grammar checking, rewriting, tone suggestions, AI text generation, proofreading, plagiarism checking, and other writing tools. Grammarly works across websites, applications, documents, and mobile devices, helping users improve their communication without constantly switching between different tools.

Uses of Grammarly AI

Grammarly can correct grammar, spelling, punctuation, sentence structure, and clarity while users write. Its AI can also generate drafts, brainstorm ideas, create outlines, rewrite sentences, summarize information, improve tone, and help users respond to emails and messages. It works across more than one million apps and websites, including tools such as Google Docs, Microsoft Word, Gmail, and Outlook.

The platform is also useful for professional and academic writing. Users can get feedback on how their writing may be received by an audience, check for plagiarism, review AI-generated text, improve readability, and use specialized AI agents for different writing tasks. Grammarly also provides AI Chat and a broader assistant called Superhuman Go that can work across applications and workflows.

Grammarly AI Models & Sub-Models

Grammarly Writing Suggestions provide real-time recommendations for grammar, spelling, punctuation, clarity, vocabulary, and sentence structure. They help users improve their writing while they work instead of waiting until the document is finished.

Generative AI Assistant helps users generate and improve written content. It can brainstorm ideas, create outlines, draft text, rewrite content, summarize information, and adjust writing based on the user's instructions.

AI Chat provides a conversational way to work with Grammarly's AI. Users can ask questions, develop ideas, create content, summarize documents, get feedback, and refine their writing using natural-language instructions.

AI Agents are specialized assistants designed for specific communication and productivity tasks. Grammarly's agent ecosystem includes tools such as Reader Reactions, Humanizer, Proofreader, Paraphraser, Citation Finder, AI Detector, and other task-focused assistants.

Reader Reactions helps users understand how their writing could be received by a specific audience. It can provide feedback from different reader perspectives so users can make their message clearer and more effective.

Humanizer makes AI-assisted writing sound more natural and engaging while keeping the original meaning. It is useful when users want generated content to better match a natural human writing style.

Proofreader & Paraphraser help users improve existing content. Proofreading focuses on writing quality and correctness, while paraphrasing can rewrite content to make it clearer, shorter, more professional, or better suited to a particular audience.

AI Detector & Plagiarism Checker help users review content for potential AI-generated writing and similarities with existing material. These features are useful for students, writers, researchers, and professionals who want to review the originality and source quality of their work.

Superhuman Go is Grammarly's proactive AI assistant that works across applications and browser tabs. It can use the context of what users are working on to help them write, reply, brainstorm, organize information, and complete tasks more efficiently.

Pricing

Grammarly offers a Free plan with core writing assistance and 100 AI prompts per month. The Pro plan costs $30/month, or $144/year ($12/month average) when billed annually. Grammarly Pro includes advanced rewrites, tone adjustments, 2,000 AI prompts per month, and additional features for individuals and teams. Enterprise plans are available with custom pricing and additional administration and security features.

Free: Yes, 100 AI prompts/month

Paid: Yes — Pro and Enterprise

Free Trial: Periodic Pro trials may be available for eligible users; a permanent Free plan is also available.

Best Use Cases

Grammarly is best suited for students, writers, marketers, professionals, businesses, educators, researchers, and anyone who regularly writes online. It can be used for emails, articles, reports, assignments, social media posts, business communication, website content, proofreading, rewriting, brainstorming, research support, and brand communication. Its biggest advantage is that Grammarly's AI works directly inside many of the apps and websites people already use, while its specialized agents provide additional support for improving clarity, tone, originality, and audience impact.