Grammarly
Free AI Writing Assistance
VS
Vellum
Your desktop AI assistant that understands your context and acts on your behalf.
Detailed comparison
Criteria
Grammarly
Vellum
Pricing
Freemium
Freemium
Plans & pricing
Free: Free, Enterprise: Custom
Free: Free, Business: $50/mo, Enterprise: Custom
Free trial
No
No
Audience
b2c
b2b
Platforms
Web, Ios, Android, Desktop
Web
API
No
Yes
Open Source
Proprietary
Proprietary
Categories
Writing, Productivity
AI Agents, Productivity
Popularity
Very High
Very High
Description
Grammarly offers AI writing assistance to help you work smarter. Get personalized AI guidance and text generation across any app or website. It suppor...
Vellum is a desktop AI assistant designed to give you back your time. It understands your context, connects to your tools, and acts on your behalf to ...
Pricing
Grammarly
Freemium
Vellum
Freemium
Plans & pricing
Grammarly
Free: Free, Enterprise: Custom
Vellum
Free: Free, Business: $50/mo, Enterprise: Custom
Free trial
Grammarly
No
Vellum
No
Audience
Grammarly
b2c
Vellum
b2b
Platforms
Grammarly
Web, Ios, Android, Desktop
Vellum
Web
API
Grammarly
No
Vellum
Yes
Open Source
Grammarly
Proprietary
Vellum
Proprietary
Categories
Grammarly
Writing, Productivity
Vellum
AI Agents, Productivity
Popularity
Grammarly
Very High
Vellum
Very High
Description
Grammarly
Grammarly offers AI writing assistance to help you work smarter. Get personalized AI guidance and text generation across any app or website. It suppor...
Vellum
Vellum is a desktop AI assistant designed to give you back your time. It understands your context, connects to your tools, and acts on your behalf to ...
Features
Grammarly
AI assistant
AI text generation
Tone detection
Mistake-free writing support
Cross-platform availability
Trust & security
Vellum
Desktop AI assistant
Contextual understanding
Tool integration
Prepaid USD balance for usage
Key differentiators
Grammarly
- Personalized AI writing guidance
- Cross-platform AI assistant
- Advanced mistake-free writing
Vellum
- AI agent building by description
- Full lifecycle AI agent management
Other comparisons
FAQ: Grammarly vs Vellum
Grammarly: Free AI Writing Assistance. Vellum: Your desktop AI assistant that understands your context and acts on your behalf.. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. Grammarly is freemium and Vellum is freemium.
The best choice between Grammarly and Vellum depends on your specific needs. Compare their features, pricing, and target audience on this page to find the tool that best fits your use case.
Grammarly is primarily designed for individuals, while Vellum is built for individuals.
Grammarly offers: AI assistant, AI text generation, Tone detection, Mistake-free writing support. Vellum offers: Desktop AI assistant, Contextual understanding, Tool integration, Prepaid USD balance for usage.
Based on our data, Grammarly currently enjoys greater popularity. However, popularity isn't the only factor — compare features to find the right tool for your needs.