Grammarly
by Superhuman (formerly Grammarly) · www.grammarly.com ↗
AI writing assistant that checks grammar, style, and tone and offers generative writing help across apps.
writing grammar assistant
- Category
- Productivity
- Business model
- Freemium
- Availability
- Global
- Launched
- 2015
- Record updated
- 2026-07-30
- Founded
- 2009
- Headquarters
- US
- Canonical URL
- https://globalaiproductindex.com/products/grammarly/
Overview
Grammarly is an AI writing assistant that checks grammar, style, and tone across browsers, desktop apps, and mobile keyboards. Founded in 2009, it has expanded into generative drafting and rewriting; after acquiring the email client Superhuman in 2025, the company renamed itself Superhuman while keeping Grammarly as the product name. A capable free tier is available.
Key features
- Grammar, spelling, and punctuation checking everywhere you type
- Tone and clarity suggestions
- Generative drafting and rewriting prompts
- Style guides and brand tones for teams
Use cases
- Polishing emails, documents, and posts as you write
- Keeping team communication consistent and clear
- Non-native speakers improving fluency
Pricing
A free tier covers core corrections; Pro and Enterprise plans add advanced rewrites, tone controls, and team features.
Frequently asked questions
Is Grammarly free?
Yes. Grammarly's free tier covers core grammar and spelling; paid plans add advanced suggestions and generative features.
Where does Grammarly work?
Grammarly works in browsers, desktop apps, Microsoft Office, and mobile keyboards across most writing surfaces.
Who develops Grammarly?
Grammarly is developed by Superhuman (the company formerly named Grammarly), founded in 2009 and headquartered in San Francisco.
Similar products
- Beautiful.ai — Presentation software that uses AI and smart templates to design slides automatically.
- Coda AI — AI features built into the Coda document platform for writing, summarizing, and automating docs.
- Copy.ai — AI writing tool for generating marketing copy and automating go-to-market workflows.
- Fathom — AI notetaker that records, transcribes, and summarizes video meetings.
- Fireflies.ai — AI notetaker that joins meetings to transcribe, summarize, and search across conversations.
- Gamma — AI tool that generates presentations, documents, and web pages from text prompts.
Sources
This record was last reviewed on 2026-07-30.
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