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Chatfuel vs Merlin AI: Complete Comparison 2026

Select a category, then compare up to 3 tools side by side. Analyze features, pricing, and performance.

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Chatbot & Assistant21 tools available
Chatfuel
Chatfuel

Build AI chatbots without code for WhatsApp, Instagram and Messenger

No-code chatbot platform to automate customer conversations on social media.

Strengths

  • Intuitive drag-and-drop interface with no coding required
  • Native ChatGPT integration for intelligent responses
  • Omnichannel Meta support (Messenger, Instagram, WhatsApp)
  • Ready-to-use industry templates

Limitations

  • Limited customization options for advanced behaviors
  • Some analytics features reserved for premium plans
  • Cannot import bots from other platforms
  • Basic AI relies on keyword recognition

Pricing plans

  • Conversations incluses avec limite mensuelle
  • DM, Click-to-Ads, Posts, Stories
  • Chatbots et autoreply
  • ChatGPT intégré
  • Live chat et inbox partagé
  • Intégrations Google Sheets, Zapier, Stripe
  • Tout Business inclus
  • Account manager dédié
  • 10h de bot building offertes
  • Tarification volume
  • Support prioritaire
Merlin AI
Merlin AI

Your all-in-one Chrome sidekick—unleashing top models to research, write, and conquer any webpage instantly

Merlin AI is a Chrome extension that provides access to multiple AI models in a single subscription, including ChatGPT, Claude, Gemini, and Mistral to boost your productivity.

Strengths

  • Unified multi-model access: Switch seamlessly between GPT o1, Claude 3.7 Sonnet, Gemini, and more in one interface, eliminating tool-switching
  • Deep browser integration: Sidebar chats with webpages, real-time Google/Gmail enhancements, and context-aware assistance without leaving tabs
  • Comprehensive file handling: Chat with PDFs, images, docs via OCR/summarization; generate charts/images from uploads
  • Productivity multipliers: Instant summaries (articles/videos/PDFs), writing aids (paraphrasing/emails/social posts), and artifacts (code/diagrams)

Limitations

  • Hidden credit limits on "unlimited" plans: Free tier has daily caps; paid "unlimited" enforces a $100/month equivalent spend limit on API calls, potentially throttling heavy users
  • Chrome-only: Limited to Chromium browsers, excluding Firefox/Safari users
  • Learning curve for advanced features: Crafts/Projects/WebChat require familiarity despite intuitive shortcuts
  • Dependency on external APIs: Performance tied to model availability/outages from OpenAI/Anthropic

Pricing plans

  • 102 requêtes gratuites quotidiennes
  • Accès aux modèles IA de base
  • Génération d'images basique
  • Aperçu bibliothèque d'outils IA
  • Réinitialisation toutes les 24h
  • Accès "illimité équitable" aux modèles de base
  • 50x plus d'usage pour modèles premium (GPT-4o, Claude 3.5 Sonnet)
  • Génération d'images avancée
  • Accès complet extension Chrome
  • Support prioritaire
  • Accès illimité aux modèles premium
  • GPT-4, Claude 3.5 Sonnet, Gemini Pro
  • Génération d'images (DALL-E, Stable Diffusion)
  • Analyse de documents et PDF
  • Intégrations Gmail, Sheets, LinkedIn
  • Support prioritaire
  • Accès illimité aux modèles premium
  • GPT-4, Claude 3.5 Sonnet, Gemini Pro
  • Génération d'images (DALL-E, Stable Diffusion)
  • Analyse de documents et PDF
  • Intégrations Gmail, Sheets, LinkedIn
  • Support prioritaire
  • Tout du plan Pro inclus
  • Outils de gestion d'équipe
  • Tableau de bord usage centralisé
  • Conformité SOC2, GDPR, ISO 27001
  • Minimum 5 utilisateurs
  • 180$/an par siège

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General overview

Criterion
Chatfuel
Merlin AI
AI typeAI EnhancedAI Enhanced
Country of origin🇺🇸 United States🇮🇳 India
Year founded20152023
Supported languages50 languages25+ languages
Free plan
No
Yes

Detailed comparison

FeatureChatfuelMerlin AI
Available models
Max output tokens
Knowledge cutoff
Vision support
Audio input
Audio output
Image generation
Video understanding
File types supported
PDF, DOCX, XLSX, Images
Function calling
Reasoning mode
Web search integrated
Code execution
Canvas / Artifacts
Memory persistence
Custom instructions
Streaming API
Fine-tuning available
Embeddings API
Batch API
Messages/day (free)
Rate limit (req/min)
Data retention policy
Enterprise security
On-premise available
Available
Not available
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