Comparator

Manus 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
Manus
Manus

Fully autonomous AI agent for complex tasks

Manus is a fully autonomous AI agent that plans, executes and delivers complex multi-step tasks with minimal human intervention.

Strengths

  • Truly autonomous agent (not just a chatbot)
  • Asynchronous background execution
  • Built-in web browsing and code execution
  • Multiple parallel tasks

Limitations

  • Unpredictable credit system (variable cost per task)
  • Monthly credits don't roll over
  • No cost estimate before execution
  • May stop mid-task if credits depleted

Pricing plans

  • 1 000 crédits démarrage
  • 300 crédits/jour refresh
  • 1 tâche simultanée
  • Navigation web
  • Exécution de code
  • 1 900 crédits/mois
  • 2 tâches simultanées
  • Toutes fonctionnalités core
  • 3 900 crédits/mois
  • 3 tâches simultanées
  • Toutes fonctionnalités
  • 19 900 crédits/mois
  • 10 tâches simultanées
  • Accès bêta fonctionnalités
  • Priorité exécution
  • Par membre (min 4)
  • Pool crédits partagé
  • Fonctionnalités entreprise
  • Gestion équipe
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

Add a 3rd (⌘K)

General overview

Criterion
Manus
Merlin AI
AI typeAI NativeAI Enhanced
Country of origin🇨🇳 China🇮🇳 India
Year founded20222023
Supported languages7 languages25+ languages
Free plan
Yes
Yes

Detailed comparison

FeatureManusMerlin 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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