What GrammarlyGO is
Grammarly has expanded beyond grammar checking into a full AI writing suite with GrammarlyGO and a roster of specialized AI agents (Proofreader, Paraphraser, Reader Reactions, Humanizer). It serves over 40 million people and 50,000 organizations.
Funding snapshot
$1B in nondilutive funding from General Catalyst (May 2025); previously raised $200M Series C in 2021
Key features
- AI agents for Proofreader, Paraphraser, Reader Reactions, Humanizer
- Grammarly Go AI assistant that works across apps and tabs
- Grammarly Docs AI document editor
- Plagiarism Checker and AI Detector
- Citation Generator and Translator
Where it lives
Web app (grammarly.com)Windows and macOS desktop appsChrome, Safari, Firefox, and Edge extensionsGoogle Docs, Microsoft Word, and Outlook add-insiOS and Android apps
Alternatives to consider
QuillBot
Not in the directory yet
Wordtune
Not in the directory yet
ProWritingAid
Not in the directory yet
Related reading
3 pieces from AIUnpacker on GrammarlyGO
Sources & media
Weekly digest
Don't pick tools from a launch tweet.
Directory updates and practical AI picks — short, useful, unsubscribe anytime.
No spam. Unsubscribe anytime.