Grammarly
By Grammarly
Grammarly is an AI-powered writing assistant that checks grammar, spelling, punctuation, tone, and clarity in real time across browsers, desktop apps, and word processors.
Definition
Grammarly is an AI-powered writing assistant that checks grammar, spelling, punctuation, tone, and clarity in real time across browsers, desktop apps, and word processors.
Overview
Grammarly analyzes text as users type and suggests corrections for grammar and spelling errors, as well as higher-level improvements to clarity, conciseness, and tone. It works through a browser extension, desktop app, and integrations with tools like Google Docs, Microsoft Word, Gmail, and Slack, so writing assistance follows users across most of the places they write. Beyond basic proofreading, Grammarly uses generative AI features to rewrite sentences, adjust tone for different audiences, generate outlines, and produce first drafts from prompts. Its underlying models combine rule-based grammar checking with machine-learning models trained to detect style and clarity issues that go beyond simple spell-checking. Grammarly is widely used by students, professionals, and non-native English speakers, and competes with tools like QuillBot for paraphrasing and with general-purpose assistants for drafting, while remaining focused specifically on writing quality and correctness. It is often mentioned alongside Notion AI in this space. It is often mentioned alongside Generative AI in this space.
Key Features
- Real-time grammar, spelling, and punctuation checking
- Tone and clarity suggestions tailored to context
- Browser extension and integrations with major writing apps
- AI-powered rewriting and sentence restructuring
- Plagiarism detection (on paid tiers)
- Style guides for teams and brand-consistent writing
- Multi-platform support across web, desktop, and mobile