Grammarly is now considered one of the largest and most successful SaaS/AI communication platforms globally, valued at $13 billion since 2021 and maintained in recent rounds, Grammarly is among the top 10 US private tech companies by market cap in 2026. Grammarly Business supports editing across teams, shared style guides, analytics, and management for over 50,000 organizations, including 96% of Fortune 500 companies. Since 2025 it has integrated extensive generative AI tools, including options to generate essays from scratch, to suggest and insert citations, to "humanize" the text to avoid it being flagged as AI-generated, and to predict grades based on user input on the instructor, course, and university.
Cyborg Score Rationale
Corporate and team adoption increased by 53% year-over-year in 2026, with Fortune 500 companies and university partnerships expanding global reach. Grammarly maintains high gross margins of approximately 80% even with increased LLM-related costs from GrammarlyGO features. The company has strong product-market fit but faces regulatory scrutiny and competitive pressure from large AI platforms.
Top Insights
Successful fundraising and acquisition efforts, including $1 billion in new financing and the January 2026 Coda merger, have accelerated product development and scale.
Grammarly Business supports over 50,000 organizations including 96% of Fortune 500 companies, with corporate and team adoption increasing 53% YoY in 2026.
An "Expert review" feature was discontinued in March 2026 due to criticism and complaints, following a federal class-action lawsuit filed by journalist Julia Angwin.
Grammarly Business announced pilots for Spanish and French support with full rollouts expected in late 2026.
Named Competitors
QuillBot — AI paraphrasing and sentence rewriting tool
ProWritingAid — Grammar checker with detailed analysis reports for authors
LanguageTool — Grammar checker supporting 20+ languages with offline capability
Microsoft Copilot — Enterprise AI writing assistant
ChatGPT — Generative AI writing platform
Recent Developments
(May 2025) Received $1 billion in nondilutive funding from General Catalyst
(July 2025) Acquired Superhuman email client; parent company rebranded to Superhuman in October 2025
(January 2026) Completed Coda merger to expand AI offerings
(February 2026) Acquired Rows, an AI-powered data and spreadsheet management company
(March 2026) Discontinued "Expert Review" feature due to criticism over AI-generated author personas
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