Cowrite vs ChatTab

Comparing the features of Cowrite to ChatTab

Feature
Cowrite
ChatTab

Capability Features

Accept/Reject AI Edits
Access Templates
AI Assistant Editing
Assistant API Support
Built-in API Key Usage
Citations Management
Custom Prompting
Data Privacy
Global Availability
GPT4-Vision Support
iCloud Sync
LaTeX Formatting Automation
Local Storage
Markdown Support
Multi-tab Support
Multilingual Support
Multiple LLM Suggestions
Multiple Tabs in Pro/Max
Native Application
No ChatGPT Required
No Data Used for Training
Own API Key Support
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
Project History and Restore
Real-Time Collaboration
Seamless Collaboration Features
Security - Keychain Storage
Security - No Tracking
Shortcut Keys
Supported Models
GPT3.5GPT3.5-1106GPT3.5-16kGPT4GPT4-1106GPT4-VisionGPT4-32kClaude2
Unlimited Projects
Version Control
Write in Plain Language

Integration Features

File Format Support
pdfxmltxtjsoncsvmd
LaTeX Export
LaTeX Import
Platform Support
macOS

Limitation Features

Free Plan Compile Time
Long Compile Time
Free Tier Limit
10000
Free Tier Tab Limit
1
Max Device Limit
3
No Credit Card Needed
No Vendor Lock-in
Pro Device Limit
1
Product in Development
Single Tab Limitation

Pricing Features

Free Plan Collaborator Limit
4
Free Plan Project History
3-Day Project History
Free Tier
GPT3.5 AllGPT4GPT4-1106GPT4-VisionGPT4-32kClaude2
Max Pay-as-you-go Token Limit
4000000
One-time Max Price
$39.99
One-time Pro Price
$19.99
Pay As You Go Max
$9.99
Pay As You Go Pro
$6.99
Pay As You Go Starter
$3.99
Pay Once Use Forever
Pro Pay-as-you-go Token Limit
2660000
Pro Plan Collaborator Limit
8
Pro Plan Project History
30-Day Project History
Pro Tier Price
$20/month
Starter Pay-as-you-go Token Limit
1320000