Grammarly
Grammarly (now Superhuman) is an AI-powered writing assistance platform serving 40 million daily users and 50,000 organizations with proprietary NLP, generative AI, and a directory of specialized agents delivered via browser, desktop, mobile, and Superhuman Go across 1M+ apps.
- Company typePrivate
- Founded2009
- HeadquartersSan Francisco, United States
- Headcount1,001–5,000
- GTM typeB2B and B2C
- OfferingSoftware
What Grammarly does
Grammarly (now operating under the parent company Superhuman following its October 2025 rebrand) is an AI-powered writing assistance platform founded in 2009 and headquartered in San Francisco, with engineering hubs in Kyiv, Berlin, and Warsaw. The company serves 40 million daily active users and 50,000 organizational customers across consumer, enterprise, education, and government segments, offering a freemium core product plus paid tiers (Pro at $12/member/month, Business Suite at $33/member/month) and custom-priced Enterprise contracts. Its core technology combines proprietary natural language processing, in-house generative AI, and a directory of specialized AI agents (Proofreader, Paraphraser, Reader Reactions, Humanizer, AI Detector, AI Grader, Citation Finder, Plagiarism Checker) delivered through browser extensions, native desktop apps (Windows, Mac), mobile keyboards (iOS, Android), an AI-native Docs editor at app.grammarly.com, and Superhuman Go, a proactive cross-app AI assistant that integrates with 100+ apps via calendar, email, drive, and project-management connectors.
The business model is subscription-based recurring SaaS spanning five tiers (Free, Pro, Business, Enterprise, Education) with add-on pricing for Superhuman Go at $144/year and Superhuman Suite bundles that incorporate the 2024 acquisition of Coda (collaborative workspace) and the July 2025 acquisition of Superhuman Mail (AI email client). GTM combines a self-serve product-led freemium funnel with direct enterprise field sales and embedded/OEM distribution across 1M+ apps and websites. Recent strategic moves include the $1 billion non-dilutive financing from General Catalyst (May 2025), the corporate rebrand to Superhuman, the launch of the Superhuman Agents SDK and Agent Marketplace, and the rollout of multilingual writing support across 25+ languages. The company reports ~$700M in annual revenue (2024 ARR) and was last valued at $13 billion in 2021.
Grammarly's competitive moat rests on its unmatched cross-surface distribution (1M+ app/site integrations), fifteen-plus years of accumulated linguistic and user-engagement data, enterprise switching costs from style guides and Knowledge Share, and a maturing regulatory posture (SOC 2, ISO, GDPR/CCPA) that unlocks regulated verticals. Material risks include the March 2026 class-action lawsuit over the Expert Review AI feature (which was disabled the same day it was filed), reputational and competitive pressure from foundation-model incumbents offering free writing assistance, and execution risk on the broader Superhuman Suite bundling strategy following a 230-person layoff and a rebrand away from the historically dominant Grammarly brand.
Grammarly firmographics
Firmographics- Name
- Grammarly
- Legal name
- Superhuman Platform
- Website
- https://grammarly.com
- Company type
- Private
- Founded year
- 2009
- Operating status
- Operating
- Headcount range
- 1,001–5,000 employees
- Short description
- Grammarly (now Superhuman) is an AI-powered writing assistance platform serving 40 million daily users and 50,000 organizations with proprietary NLP, generative AI, and a directory of specialized agents delivered via browser, desktop, mobile, and Superhuman Go across 1M+ apps.
- Ownership category
- akta.pro rank
Grammarly industry classification
Industry- Product category
- AI Writing Assistance Software
- NAICS
- Software Publishers (5132), Custom Computer Programming Services (541511), Exam Preparation and Tutoring (611691)
- SIC
- Services-Prepackaged Software (7372), Services-Computer Programming Services (7371)
- akta.pro industry
- Writing, Grammar, Spelling & Composition ToolsGenerative AI & LLM Solutions Services (RAG, Agents, Copilots)Business & Public Services/IT & Digital Services (Managed Services, Systems Integration)/Data, Analytics & AI ServicesAI-Powered Language Tutors, Chatbots & Speaking Practice ToolsAI-Generated Content Detection & Authorship VerificationEducation/Education Technology (EdTech) & Digital Learning/Academic Integrity, Online Safety, Privacy & Compliance Tools
Keywords
Where Grammarly is headquartered
LocationHeadquarters
- HQ city
- San Francisco
- HQ country
- United States
- HQ region
- North America
Offices4 records
Markets served
Grammarly business model
Business model- GTM type
- B2B and B2C
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Marketing or Sales, Infrastructure, Operations
Revenue model
- Freemium subscription (Free + Pro): Free tier ($0/month) with 100 AI prompts drives top-of-funnel acquisition; Pro tier ($12/member/month annual, $30 monthly) adds full-sentence rewrites, tone adjustments, brand voice, and 2,000 AI prompts per month. Recurring SaaS revenue.
- Grammarly Business / Teams: Per-seat subscription for teams and businesses with brand tones, style guides, knowledge share, snippets, analytics, centralized billing, admin controls, SAML SSO, and SCIM provisioning.
- Grammarly Enterprise contracts: Custom-priced enterprise contracts with unlimited members, dedicated support, confidential mode, granular roles and permissions, data loss prevention, and unlimited generative AI prompts. Quote-based / sales-led.
- Superhuman Suite bundled offering: Combined offering bundles Superhuman Mail, Grammarly writing AI, Coda collaborative workspace, and Superhuman Go at $33/month per member (Business) and $12/month (Pro), monetizing acquired products through unified suite pricing.
- Superhuman Go premium tier: Premium tier for Superhuman Go at $144/year; also available free during early access.
- Education institutional licensing: Institutional licenses for Grammarly for Education combining Pro features with enterprise-grade security and admin controls for universities and K-12 (e.g., Western Governors University partnership for Writing Score API).
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Monthly | Free plan - $0/month |
| Per seat | Annual | Pro plan - $12/member/month annual ($30 billed monthly) |
| Per seat | Monthly | Business plan - $33/member/month (Superhuman Suite) |
| Subscription | Annual | Superhuman Go premium - $144/year |
| Subscription | Multi-year contract | Enterprise - Quote-based / Contact Sales |
Go-to-market motion5 records
Distribution channels8 records
Marketing channels10 records
Grammarly product offering
Product offeringCore offering
Grammarly is an AI-powered writing assistance platform that delivers grammar, spelling, tone, clarity, and plagiarism checking alongside generative AI rewriting and a suite of specialized AI agents (Proofreader, Paraphraser, Humanizer, Reader Reactions, AI Detector, Citation Finder, AI Grader, Plagiarism Checker) across browser extensions, desktop apps, mobile keyboards, and an AI-native document editor. The platform supports 25+ languages and serves individual consumers via a freemium funnel and enterprises/education customers via per-seat subscription tiers (Business and Enterprise) with brand tones, style guides, Knowledge Share, SAML SSO, and unlimited generative AI prompts. Following its 2024 acquisition of Coda and July 2025 acquisition of Superhuman Mail, Grammarly (now parent-branded Superhuman) bundles its writing AI with a collaborative workspace (Coda), an AI email client (Superhuman Mail), and a proactive cross-app AI assistant (Superhuman Go) into the unified Superhuman Suite.
Product overview
Grammarly operates a unified AI productivity platform (now under the parent company Superhuman) that bundles a core AI writing assistant with an ecosystem of specialized AI agents, a document editor (Docs), an AI assistant (Superhuman Go), browser/desktop/mobile surfaces, and acquired productivity products (Coda and Superhuman Mail). The core Grammarly writing assistant (Free, Pro, Business, Enterprise tiers) provides grammar, spelling, tone, clarity, and generative AI writing support across 1 million+ apps and websites. Building on top of this core, the platform adds named AI agents (Proofreader, Paraphraser, Reader Reactions, Humanizer, AI Detector, Plagiarism Checker, AI Grader, Citation Finder, Resume Builder, Authorship), the Docs AI-native document editor, and Superhuman Go (a proactive AI assistant that orchestrates agents across 100+ apps). The Superhuman Suite productizes Grammarly alongside the acquired Coda collaborative workspace and Superhuman Mail email client, and Grammarly for Education extends the same agents plus Authorship tracking to institutional customers.
Differentiator
Problem solved
Functional benefit
Brands
- Superhuman Mail: AI-powered email client originally developed by Superhuman Labs Inc., now bundled into the Superhuman Suite.
- Superhuman Go
- Grammarly Docs
- Grammarly Keyboard
- Coda
Products and services
- Grammarly (core AI writing assistant) Flagship AI-powered writing assistant offering grammar, spelling, clarity, tone, and plagiarism checking plus generative AI prompts and a suite of specialized AI agents (Proofreader, Paraphraser, Humanizer, Reader Reactions, AI Detector, Citation Finder, AI Grader). Deployed across browsers, desktop apps, mobile keyboards, and a web editor. Available in Free ($0), Pro ($12/member/month annually, $30 monthly), Business, Enterprise, and Education tiers.
- Grammarly Docs AI-native document editor combining AI Chat with specialized agents (Paraphraser, Proofreader, Reader Reactions, AI Grader, Citation Finder, Humanizer, AI Detector, Plagiarism Checker) to support brainstorming, outlining, drafting, editing, and polishing in a first-party web surface. Free to use with Pro unlocking full agent access; supports English at launch with offline use enabled while the tab remains open.
- Superhuman Go Proactive AI assistant that works across apps, tabs, and workflows, understanding context and orchestrating a team of Grammarly AI agents to draft, reply, schedule, summarize, and research without prompting. Connects to 100+ apps including Google Calendar, Jira, Gmail, Google Drive, and Slack; premium features for Business/Enterprise tiers at $144/year; coming to Mac and Windows.
- Superhuman Mail AI-powered email client acquired in July 2025 and now bundled into the Superhuman Suite. Features Split Inbox, Snippets, Instant Reply, calendar integration, and read receipts. Achieved an $825M valuation and $35M annual revenue by 2021 prior to acquisition.
- Coda Collaborative workspace and document platform acquired in late 2024 by Grammarly, with former CEO Shishir Mehrotra now leading the combined Superhuman entity. Bundled into the Superhuman Suite and also serves as the foundation for the Superhuman Agents SDK developer beta.
Companies that use Grammarly
Customer profileNamed customers49 records
Segments7 records
Ideal customer profiles3 records
Grammarly technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration27 records
AI capability10 records
Feature11 records
Grammarly partnerships and signals
Strategic signalPartnerships
21 partnerships are on record, tiered flagship, core and minor.
- Western Governors University (WGU)flagshipCollaboration to enhance student and faculty writing capabilities through AI-powered tools. WGU students gain access to Grammarly's Writing Score API offering real-time document quality assessments scored from 1 to 100, with broader rollout planned for the education market by year-end.
- Chapman UniversitycoreChapman University Information Systems and Technology made Grammarly AI Agents available to all students, faculty, and staff with Grammarly Authorship, a feature that tracks AI assistance usage and helps users appropriately disclose and document AI involvement.
- Superhuman (acquisition)flagshipGrammarly acquired Superhuman in July 2025; Superhuman Mail and Superhuman Go are now bundled into the Superhuman Suite ($33/month) alongside Grammarly writing AI and Coda. Rahul Vohra (Superhuman founder) remained with the combined entity.
- Coda (acquisition)flagshipGrammarly acquired Coda in late 2024 (December); Coda's collaborative workspace is now bundled into the Superhuman Suite. Coda founder/former CEO Shishir Mehrotra is now CEO of the combined Superhuman entity.
- Google Chrome (Web Store)flagshipGrammarly for Chrome is distributed via the Chrome Web Store as the primary browser extension channel for in-browser AI writing assistance.
- Microsoft Edge (Add-ons Store)coreGrammarly for Edge distributed via Microsoft Edge Add-ons store; Superhuman Go free early access is also available via Grammarly for Edge.
- Mozilla Firefox (Add-ons)coreGrammarly for Firefox distributed via Mozilla Add-ons store as a supported browser extension.
- Apple Safari (Extensions)coreGrammarly for Safari distributed via Apple Safari Extensions marketplace.
- Apple App StoreflagshipGrammarly Keyboard distributed via Apple App Store (id1158877342) for iOS and iPad.
- Google PlayflagshipGrammarly Keyboard distributed via Google Play (com.grammarly.android.keyboard) for Android devices.
- Microsoft (Microsoft 365 / Office integrations)flagshipDeep integration with Microsoft Outlook, Word, Excel, PowerPoint, and Teams; enables real-time AI writing assistance across the Microsoft 365 productivity suite.
- Google (Workspace integrations)flagshipDeep integration with Gmail, Google Docs, Google Sheets, and Google Drive; enables real-time AI writing assistance across Google Workspace.
- SlackcoreIntegration enables real-time AI writing assistance inside Slack messages.
- SalesforcecoreIntegration enables AI writing assistance in Salesforce CRM and customer workflows.
- NotioncoreIntegration enables AI writing assistance in Notion documents and pages.
- ZapiercoreZapier integration listed among integrations; Superhuman Go orchestrates AI agents that connect to 100+ apps including Zapier.
- LinkedIn (Microsoft)coreIntegration enables AI writing assistance in LinkedIn messaging and posts.
- ZendeskcoreIntegration enables AI writing assistance in Zendesk support tickets and customer messages.
- Apple MailcoreIntegration enables AI writing assistance in Apple Mail on Mac and iOS.
- Microsoft TeamscoreIntegration enables AI writing assistance in Microsoft Teams chat.
- Jake Schroeder (TikTok creator)minorTikTok creator Jake Schroeder secured around 60 brand deals, including a collaboration with Grammarly, leveraging his platform-specific humor and creative content for brand-safe marketing.
Scale indicators10 records
Recent moves6 records
Expansion highlights7 records
Grammarly competitors and assessment
Company assessmentDirect peers
- QuillBot: QuillBot is an AI paraphrasing, grammar, and plagiarism tool serving students, professionals, and ESL writers — a directly comparable consumer/prosumer AI writing assistance product with overlapping grammar, paraphrase, and summarization features.
- Wordtune: Wordtune (AI21 Labs) is an AI writing assistant offering rewrites, tone adjustments, and summaries across browsers and apps — directly competing with Grammarly's core rephrase and tone-suggestion features in the consumer and prosumer segment.
- ProWritingAid: ProWritingAid is an AI-powered grammar, style, and writing-improvement tool targeting professional writers, students, and editorial teams. Closely comparable to Grammarly on core grammar/style checking and pricing model, with differentiated strength in long-form fiction and editorial workflows.
- Jasper AI: Jasper is an AI writing and marketing-content platform targeting enterprise marketing teams with brand voice, templates, and campaign workflows — directly competing with Grammarly Business's marketing-team value proposition and tiered pricing. Both monetize per-seat AI writing with brand-consistency controls for B2B users.
- Writer: Writer is an enterprise AI writing platform offering brand-voice style guides, Knowledge Graph, and AI agents for regulated industries (financial services, healthcare, retail). Directly comparable to Grammarly Business/Enterprise in target buyer (large enterprise compliance/IT), feature set (style guides, brand tones, knowledge share), and pricing model.
- Notion AI: Notion AI adds native generative writing, summarization, and AI agents inside Notion documents — the same in-document surface where Grammarly Docs competes. As both a deep integration partner and adjacent first-party competitor, Notion AI is a direct comparable in the AI-native document editor category.
Broad incumbents
- OpenAI (ChatGPT): OpenAI ships ChatGPT as a general-purpose AI assistant with first-party writing, editing, and rewriting capabilities directly competing with Grammarly's generative-AI features across consumer and enterprise tiers. As the underlying LLM provider and consumer-facing product, ChatGPT is the most strategically significant competitor shaping Grammarly's pricing and product roadmap.
- Google Gemini (Workspace): Google embeds Gemini-powered writing assistance inside Gmail, Google Docs, Drive, and Workspace — the same surfaces where Grammarly operates via browser extension. As both a deep integration partner and direct competitor at the productivity-app layer, Gemini is a key determinant of Grammarly's freemium funnel and enterprise expansion.
- Microsoft 365 Copilot: Microsoft bundles first-party generative-AI writing assistance inside Word, Outlook, Teams, and the Microsoft 365 productivity suite where Grammarly is embedded. As both an integration partner and a structural competitor, Copilot threatens Grammarly's enterprise attach rate by shipping native AI features at the OS level.
Emerging players
- Sudowrite: Sudowrite is an AI creative-writing assistant for fiction authors featuring narrative agents (brainstorm, write, rewrite) comparable in form to Grammarly's specialized AI agents directory. Smaller and more narrowly focused on creative writers, but directly comparable on agent-based AI writing product architecture.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks7 records
Key highlights7 records
Customer concentration
Grammarly social profiles
Digital presenceGrammarly compliance and trust
Trust signalCompliance6 records
Grammarly financial estimates
Financial estimateRevenue estimate
Valuation estimate
Grammarly leadership team
Management profileNumber of profiles
Profiles7 records
Grammarly subsidiaries and ownership
Company hierarchySubsidiaries2 records
Grammarly funding detail
Funding detailFunding overview
Funding rounds8 records
Investors8 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Grammarly M&A and investment
M&A and investmentM&A4 records
Investments1 record
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Grammarly
What does Grammarly do?
Grammarly is an AI-powered writing assistance platform that delivers grammar, spelling, tone, clarity, and plagiarism checking alongside generative AI rewriting and a suite of specialized AI agents (Proofreader, Paraphraser, Humanizer, Reader Reactions, AI Detector, Citation Finder, AI Grader, Plagiarism Checker) across browser extensions, desktop apps, mobile keyboards, and an AI-native document editor. The platform supports 25+ languages and serves individual consumers via a freemium funnel and enterprises/education customers via per-seat subscription tiers (Business and Enterprise) with brand tones, style guides, Knowledge Share, SAML SSO, and unlimited generative AI prompts. Following its 2024 acquisition of Coda and July 2025 acquisition of Superhuman Mail, Grammarly (now parent-branded Superhuman) bundles its writing AI with a collaborative workspace (Coda), an AI email client (Superhuman Mail), and a proactive cross-app AI assistant (Superhuman Go) into the unified Superhuman Suite.
Is Grammarly a public or private company?
Grammarly is a private company. It is classified as venture growth investor backed and is currently operating.
When was Grammarly founded?
Grammarly was founded in 2009. It employs 1,001 to 5,000 people.
Where is Grammarly based?
Grammarly is headquartered in San Francisco, United States, in the North America region.
How does Grammarly make money?
Six revenue lines are on record. Freemium subscription (Free + Pro) is the primary driver. The others are grammarly Business / Teams, grammarly Enterprise contracts, superhuman Suite bundled offering, superhuman Go premium tier and education institutional licensing.
Who are Grammarly's main competitors?
Direct peers on record are QuillBot, Wordtune, ProWritingAid, Jasper AI, Writer and Notion AI. Broad incumbents are OpenAI (ChatGPT), Google Gemini (Workspace) and Microsoft 365 Copilot. Sudowrite is listed as an emerging player.
Does Grammarly have an API?
Yes. Superhuman Agents SDK is in developer beta, allowing developers to create custom AI agents that plug into team tools, systems, and workflows. Partners can also build and distribute agents on Superhuman's Agent Marketplace via the Coda Packs/Agents platform at https://coda.io/packs/build/latest/agents/. Additionally, the Writing Score API is offered to partners (e.g., WGU collaboration provides real-time document quality assessments scored 1 to 100). Developer documentation is at coda.io/packs/build/latest/agents.
What industry is Grammarly in?
Grammarly's product category is AI Writing Assistance Software. Its primary akta.pro industry code is EDAFAOAE, Writing, Grammar, Spelling & Composition Tools, with a secondary code of BPAEAHAG, Generative AI & LLM Solutions Services (RAG, Agents, Copilots). Its NAICS code is 5132 and its SIC code is 7372.