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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 & Assistant60%Comparable21 tools available

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

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 type	AI Native	AI Enhanced
Country of origin	🇨🇳 China	🇮🇳 India
Year founded	2022	2023
Supported languages	7 languages	25+ languages
Free plan	Yes	Yes

Detailed comparison

Feature	Manus	Merlin 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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