Multi-Modal Writing AI
AI writing assistance across all formats including email, documents, messages, and social media with deep context understanding.
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Grammarly
AI-powered writing assistant for grammar, style, and tone
📊 Rating Breakdown
✅ Pros
- Works everywhere via browser extension
- Excellent grammar and spelling correction
- Tone detection is unique and useful
- Style suggestions improve writing quality
- Cross-platform support (browser, desktop, mobile)
- Integrates with Office, Google Docs, Slack
- Generous free tier
- Constant improvement and updates
❌ Cons
- Privacy concerns (reads all typed text)
- Can slow down browser performance
- Not perfect for technical/specialized writing
- Premium features can be expensive
- Limited support for non-English languages
- Sometimes incorrect suggestions
- Plagiarism checker only in Premium
- GenAI features limited compared to ChatGPT
🧠 Available Models
GPT-4o (Grammarly AI)
ProprietaryGrammarly uses GPT-4o and proprietary NLP models for advanced writing assistance, tone detection, clarity improvements, plagiarism checking, and full-sentence rewrites.
Parameters: Not disclosed
Context: 128K tokens
📝 text
✅ Grammar correction ✅ Tone detection ✅ Clarity improvements ✅ Plagiarism checking
Input: Free / Premium $12/month / Business $15/month
Output: Included
🔌 API Availablevia Grammarly API
📜 Version History
2025
v7.5
2024
v7.0
Enterprise AI Platform
Enterprise platform with custom AI training on brand voice, compliance checking, and advanced analytics.
2023
v6.5
Full AI Writing Assistant
Expanded generative AI capabilities including personalized writing suggestions and context-aware recommendations.
2022
v6.0
GrammarlyGO
Launched GrammarlyGO, generative AI features for drafting, rewriting, and brainstorming.
2020
v5.0
Business Tier & Integrations
Released Grammarly Business with team analytics, style guides, and admin controls.
2018
v4.0
Grammarly Premium
Launched Premium with advanced suggestions, genre-specific writing style checks, and plagiarism detection.
2015
v3.0
Tone Detection
Added AI tone detection to help writers understand how their writing would be perceived.
2012
v2.0
Browser & Desktop Apps
Released browser extensions and desktop apps for cross-platform writing improvement.
2009
v1.0
Grammarly Launch
Grammarly launched as an AI-powered writing assistant focusing on grammar and spelling correction.