First Book AI vs Merlin AI

Comparing the features of First Book AI to Merlin AI

Feature
First Book AI
Merlin AI

Capability Features

24/7 Support
AI Book Agent
AI Detector
AI Model Support
GPT 4oGPT 4o MiniGPT 4GPT 3.5Claude 3.5 SonettClaude 3 OpusClaude SonettClaude HaikuGemini 1.5 ProGemini 1.5 FlashMistral LargeLlama 3.1 405BFlux 1.1 Pro
AICPA SOC 2 Certified
App Snippet Generation
Available in 200+ Countries
Book Credits Additive
Book Structure
8 chapters, 24–32 sections
Brand Voice Content Generation
Code Writing and Debugging
Content Ownership
Custom Chatbots
Data Analysis from Uploads
Data Visualization
Edit Content
Free Search on Google
Full-Length Book Generation
GDPR Compliant
Guided Book Creation
Image Generation
Infographic Generation
ISO 27001 Certified
Keyboard Shortcuts
Ctrl/Cmd + M
Knowledge Base
Multi-Device Sync
No External AI Accounts Needed
No Training on User Data
One-Click Operation
Priority Support Team
Prompt Library
Publish on Amazon KDP
Query Usage Visibility
Quick Access
Real-time Web Research
Repurpose Content
Roadmap Features
Additional languagesIn-text references & citationsReal-time collaborationAdvanced analytics
Section Editing
Setup Call Included
Social Media Content
Step-by-step Guidance
Step-by-Step Questionnaire
Summarize Articles and Websites
Summarize PDF Files
Summarize Videos
Support Response Time Team
Within one business day
Supports Multiple Languages
Team Use
Video Timestamp Summaries
Write Emails

Integration Features

EPUB/MOBI Workflow
Export Format
Microsoft Word (.docx)Google DocsPDF (print-ready)
Export to DOCX
Export to PDF
Google Docs Export
Supported File Types
PDFPPTXLSCSV
Supported Platform
Chrome Web StoreGoogle PlayApp StoreWeb-appiOS-appAndroid-app
Supported Websites
GoogleBaiduBingDuckDuckGoYahooYandexYoutubeLinkedInTwitter/XGmail

Limitation Features

Current Languages
English only (as of now)
Manuscript Length Target
≈30k–35k words
No API Access
No API/Plugin Mentioned
No Desktop App
No Plugin Support
Plagiarism Responsibility
User responsibility
Query Cost per Model
GPT-4/Gemini 1.5/Mistral Large use 30 queries, GPT-3.5/Claude 3 Haiku use 1 query

Pricing Features

1 Book Plan
$19 one-time
10 Books Plan
$129 one-time
3 Books Plan
$47 one-time
30-Day Money Back Guarantee
50 Books Plan
$449 one-time
Book Credit Bundles
1 Book – $193 Books – $4710 Books – $12950 Books – $449
Daily Free Query Limit
102
Free Tier
No Monthly Fees
No Subscription
One Time Payment
Premium Plan Price
$19/month billed annually
Refund Policy Duration
14-day money-back guarantee
Teams Plan
Unlimited Queries (Pro)