Paraphrasing, grammar checking and summarizing tool for students and writers
Chicago, US
1
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Grammarly
Writing assistant that checks grammar, tone and clarity wherever you type
San Francisco, US
Founded 2009
500+ employees
About
Grammarly is a writing assistant that checks spelling, grammar, punctuation, clarity and tone. Alex Shevchenko, Max Lytvyn and Dmytro Lider founded it in 2009. It works in the browser, in desktop apps, on phones through its keyboard, and inside tools such as Word, Gmail and Google Docs.
Over the years it has added generative AI features that draft, rewrite and shorten text on request. It can also check for plagiarism and suggest citations. Teams can set a shared style guide so that suggestions match company wording. It also offers an AI detector and checks that flag text that may need citations.
The free version covers basic spelling and grammar. Pro adds full style and tone suggestions and more AI prompts. Enterprise plans add admin controls and security features. In 2025 the company bought the email app Superhuman and later took the Superhuman name for the company, while Grammarly stays as a product. The company is based in San Francisco.
Over the years it has added generative AI features that draft, rewrite and shorten text on request. It can also check for plagiarism and suggest citations. Teams can set a shared style guide so that suggestions match company wording. It also offers an AI detector and checks that flag text that may need citations.
The free version covers basic spelling and grammar. Pro adds full style and tone suggestions and more AI prompts. Enterprise plans add admin controls and security features. In 2025 the company bought the email app Superhuman and later took the Superhuman name for the company, while Grammarly stays as a product. The company is based in San Francisco.
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