Grammarly

Grammarly is an AI-powered writing assistant that helps users improve their writing across various platforms and applications. It offers real-time suggestions for grammar, spelling, clarity, and tone, enhancing overall writing quality for both personal and professional use.

Key features:
- Real-time Grammar and Spelling Check: Provides instant corrections for grammar, spelling, and punctuation errors
- Vocabulary Enhancement: Offers suggestions for more diverse and appropriate word choices (Premium)
- Tone Detection and Adjustment: Analyzes and helps modify the tone of writing for different contexts (Premium)
- Conciseness Recommendations: Suggests ways to improve readability by making text more concise (Premium)
- Smart Text Predictions: Offers multiword text predictions and intelligent autocorrect
- Generative AI Rewriting: Provides capabilities for rewriting and rephrasing text (Premium)
- Voice-to-Text Functionality: Enables dictation and transcription of spoken words (Premium)
- Customizable Style Guides: Allows creation of brand-specific tone and style settings
- Document Editor: Offers comprehensive writing feedback and cloud-based document management
- Personal Writing Statistics: Provides insights into individual writing patterns and improvements

How it works:
1. Install Grammarly on your preferred device or platform
2. Write or paste your text into a Grammarly-enabled application
3. Receive real-time suggestions and corrections as you write
4. Review and apply suggested changes to improve your writing
5. For premium features, upgrade to a paid subscription

Integrations:
Microsoft Office, Google Docs, Slack, web browsers (via extension), iOS and Android (via mobile app)

Use of AI:
Grammarly utilizes natural language processing (NLP) and machine learning models to analyze text and provide writing suggestions. The AI capabilities extend to generative functions for rewriting and rephrasing, as well as voice-to-text transcription.

AI foundation model:
While Grammarly leverages advanced AI technology, the specific foundation models or large language models (LLMs) used are not publicly disclosed.

Target users:
- Students
- Professionals
- Writers and content creators
- Businesses and teams
- Anyone looking to improve their writing skills

How to access:
Grammarly is available as a mobile app for iOS and Android, a web application, browser extensions, and integrations with various productivity tools. Users can sign up for a free account or subscribe to the premium version for advanced features.

Mobile-specific features:
- AI Keyboard: Works across all mobile apps, providing real-time writing feedback
- Emoji Predictions: Suggests relevant emojis and includes a search bar
- Safari Extension: Offers spelling and grammar checking while typing on websites

Pricing:
Grammarly offers a free version with basic writing suggestions. Premium subscriptions start at $12 per month or $144 annually for individuals, with discounted rates available for teams and enterprises.

Privacy:
Grammarly emphasizes user privacy, stating that they practice privacy by design and do not rent or sell user data.