Castly vs Merlin AI

Comparing the features of Castly to Merlin AI

Feature
Castly
Merlin AI

Capability Features

AI Content Detector
AI Model Support
ChatGPTGPT 4ClaudeDeepseek V3OpusLlamaMistralGeminio3o4-miniGPT 4.1Claude 3.7 SonnetDeepSeek R1Gemini 2.5 ProGemini 2.5 FlashMistral LargeLlama 3.1 405BGrok 3
Automatic Video Timestamps
Chrome Extension Keyboard Shortcut
Ctrl/⌘+M
Citations Support
Code Generation and Editing
Content Sharing
Custom Chatbots
Custom Prompt Support
Diagram and Chart Generation
DiagramsInteractive chartsInfographicsFlowchartsMindmaps20+ infographic types
Early Access to New Models
Featured Image Generation
20+ image models and aspect ratios
File Uploads
PDFXLSCSV
GDPR Compliant
Geo Availability
200+ countries
Humanize AI Content
ISO 27001 Certification
Knowledge Base Creation
Multiple Infographic Types
20
Multiple Platform Sync
No Separate AI Accounts Needed
One-Click Summaries
Pro Tier PDF Uploads
Unlimited
Pro Tier Published Posts
Unlimited
Query Count Display
Question Answering over Audio
Question Answering over YouTube
Real-time Web Search
Repurpose Content
WebsitesDocumentsYouTube videos
SOC 2 Type II Certified
Social Media Content Generation
LinkedInX (Twitter)Gmail
Summarize Content
VideosArticlesPDFWebsitesBlogsDocuments
Supported Languages List
25
Text Editor Interface
Unlimited Chats
Unlimited Queries on Pro
Write Emails

Integration Features

Active Discord Community
Browser Integration
Twitter (X)LinkedInYouTubeGmail
PDF File Support
Supported Devices
Web appChrome extensioniOS appAndroid app
Supported Search Engines
GoogleBaiduBingDuckDuckGoYahooYandex

Limitation Features

Free Tier PDF Size Limit
10
Free Tier Published Posts
5
No Query Count for Google Search Responses
Pro Tier PDF Size Limit
50
Query Consumption by Model
GPT 4, Gemini 1.5, Mistral large: 30 queries per use; GPT 3.5, Gemini, Claude 3 Haiku: 1 query per use

Other Features

App Ratings
4.8 Chrome Store4.3 AppSumo4.3 Play Store4.7 App Store

Pricing Features

Free Daily Queries
102
Free Tier
Free Tier PDF Uploads
5
Premium Plan Price
$19/month billed annually
Pro Plan Price
$12/month
Team Plan