Superhuman (formerly Grammarly, Inc.) Overview
Pro stress-test →Grammarly is an AI and cloud-based writing assistance platform for improving writing and communication. The company assumed its current form in 2025, when Grammarly Inc. acquired Superhuman Mail and Coda and rebranded itself as Superhuman. The company offers tools for grammar checking, plagiarism detection, and generative text suggestions.
Strategic Profile
Pro stress-test →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.
Competitive Landscape
Pro stress-test →Grammarly's top competitors include QuillBot, Ginger Software and Intento. Traditional grammar checkers like ProWritingAid and LanguageTool compete on features and pricing, with ProWritingAid offering detailed analysis reports for authors and a lifetime license option, while LanguageTool supports over 20 languages and provides offline usage for privacy-conscious users. QuillBot focuses on paraphrasing and sentence rewriting, often used alongside Grammarly by students and writers who need both correction and creative rewording capabilities.
Industry Context
Superhuman (formerly Grammarly, Inc.) operates in AI-powered writing assistance platforms.
Key facts
Founded: 2009 · Headquarters: San Francisco, US · Employees: 967 (as of May 2026) · Revenue: $700M (as of 2025) · Market cap: $13B