Cowrite vs Castly

Comparing the features of Cowrite to Castly

Feature
Cowrite
Castly

Capability Features

Accept/Reject AI Edits
Access Templates
AI Assistant Editing
Citations Management
Content Sharing
Data Privacy
LaTeX Formatting Automation
Multiple LLM Suggestions
No Data Used for Training
Permanent Project Deletion
Premium Model Option
o3Gemini 2.5 ProClaude 4
Pro Plan Compile Time
Unlimited Compile Time
Pro Premium Model Access Multiplier
20× More Access
Pro Tier PDF Uploads
Unlimited
Pro Tier Published Posts
Unlimited
Project History and Restore
Question Answering over Audio
Question Answering over YouTube
Real-Time Collaboration
Seamless Collaboration Features
Text Editor Interface
Unlimited Chats
Unlimited Projects
Version Control
Write in Plain Language

Integration Features

Active Discord Community
LaTeX Export
LaTeX Import
PDF File Support

Limitation Features

Free Plan Compile Time
Long Compile Time
Free Tier PDF Size Limit
10
Free Tier Published Posts
5
No Credit Card Needed
No Vendor Lock-in
Pro Tier PDF Size Limit
50
Product in Development

Pricing Features

Free Plan Collaborator Limit
4
Free Plan Project History
3-Day Project History
Free Tier
Free Tier PDF Uploads
5
Pro Plan Collaborator Limit
8
Pro Plan Price
$12/month
Pro Plan Project History
30-Day Project History
Pro Tier Price
$20/month