Grammarly

What Grammarly does

Grammarly, now part of Superhuman, is an AI writing assistance company that helps individuals and organizations communicate clearly and effectively. Its product offerings, including Grammarly Business, Grammarly Premium, Grammarly Free, and Grammarly for Education, provide contextually relevant writing support across various applications and websites. The Superhuman suite, which includes Go, Grammarly, Docs, and Mail, integrates AI into every app and tab to enhance communication, collaboration, and productivity. The company focuses on human-centered AI that amplifies creativity without replacing it, supporting focus, skill, and momentum for users.

Products

• Grammarly BusinessGrammarly for organizations to drive results, available through Superhuman Go, offering advanced features like proactive AI, dedicated support, BYOK encryption, custom roles, and data loss prevention.
• Grammarly PremiumA subscription plan for individuals to achieve goals with clear and confident writing, including features like full sentence rewrites, tone adjustments, fluency in English, unlimited personalized suggestions, plagiarism detection, AI-generated text detection, and 2,000 AI prompts per month.
• Grammarly FreeA free version for individuals to write without spelling and grammar mistakes, see writing tone, and generate text with 100 AI prompts per month.
• Superhuman GoAn AI assistant that works across every app, tab, and workflow, combining Grammarly's writing expertise with context-aware AI agents to help users write, reply, and create with confidence everywhere.
• Grammarly DocsAn all-in-one AI document editor with AI agents that assist at every stage of the writing process, providing rubric-aligned feedback, citation support, and revision tools. It is an AI-native document editor designed for modern writing workflows.
• Grammarly MailPart of the Superhuman suite, bringing AI to email for improved communication.

Key capabilities

• AI writing assistance
• Spelling and grammar correction
• Tone detection and adjustment
• AI prompt generation for text
• Full sentence rewrites
• Fluency in English
• Personalized writing suggestions
• Plagiarism detection
• AI-generated text detection
• Enterprise-grade privacy and security
• Account roles and permissions
• SAML single sign-on
• Feature Management Hub
• SCIM
• Managed mode
• Invite and domain capture
• User groups
• Custom roles
• Application and domain controls
• Client control
• Confidential mode
• Audit Logs API
• Enterprise key management (BYOK)
• Session timeout
• Group-level security controls
• ROI Report
• Effective Communication Score
• Style guide
• Brand tones
• Knowledge Share
• Snippets
• Analytics dashboard
• Team Analytics
• AI agents for planning, drafting, editing, and polishing
• AI Grader for rubric-aligned feedback
• Citation Finder for sources and auto-generation
• Reader Reactions to gauge impact
• Humanizer to make AI-assisted writing natural
• Proofreader for grammar, clarity, and structure
• Paraphraser for audience and tone adaptation

Use cases

• Writing without spelling and grammar mistakes
• Adjusting writing tone
• Generating text with AI prompts
• Rewriting full sentences
• Writing fluently in English
• Detecting plagiarism
• Detecting AI-generated text
• Ensuring inclusive language
• Maintaining consistent citations
• Driving results across organizations
• Reviewing, rewriting, and coaching written work
• Consolidating existing writing guides
• Creating outlines, emails, and write-ups
• Planning, drafting, editing, and polishing written work
• Getting feedback aligned to rubrics and course info
• Finding legitimate sources and generating citations
• Understanding how writing might land with readers
• Making AI-assisted writing sound more natural
• Refining grammar, clarity, and structure
• Adapting writing for intended audience, tone, and style
• Checking writing for AI-generated content
• Verifying originality of work

AI approach

Grammarly (now Superhuman) builds AI writing assistance tools that amplify human creativity. Their AI agents provide context-aware feedback, generate text, detect plagiarism and AI-generated content, and help with citations, tone adjustment, and paraphrasing. They emphasize human-centered AI that supports focus, skill, and momentum.

Tech named: AI, NLP, Deep Learning, Machine Learning

Industries served

• Software Development
• Education

What it says sets it apart

• World’s leading AI writing assistance company
• Trusted by over 40 million people and 50,000 organizations
• Used by 96% of the Fortune 500
• Contextually relevant writing support across over 500,000 apps and websites
• Human-centered AI that amplifies creativity and supports focus
• AI-native document editor (Docs) with intelligent agents for every writing stage
• Comprehensive security practices, including SOC 2 (Type 2) report
• Proactive AI that works everywhere (Enterprise)
• Dedicated support for larger organizations
• BYOK encryption and custom roles for enterprise clients
• Team features like ROI Report, Effective Communication Score, Style guide, Brand tones, Knowledge Share, Snippets, and Analytics dashboard
• AI agents that adapt to the user's process and offer evolving feedback
• Offers a suite of products (Go, Grammarly, Docs, Mail) that integrate AI across various platforms.