Ultimate AI Tools Price Comparison 2025: Monica, Merlin, Max AI & 10+ Others

The AI landscape in 2025 is booming with multi-functional tools that offer chat models, content generation, image creation, summarization, and more. This in-depth guide compares Monica AI, Merlin AI, Max AI, and 10+ other leading AI assistants. We’ll analyze pricing, features, and key differences to help you pick the perfect solution for your needs.

Why Compare Multi-Service AI Tools?

These AI tools provide all-in-one access to multiple AI models (GPT-4, Claude, Gemini, Mistral, etc.), eliminating the need to switch between platforms. Users benefit from:

Multiple AI models in one place (ChatGPT + Claude + Gemini)
Text, image, PDF, and code generation
Better productivity with unified AI assistance

Since pricing varies drastically, a detailed comparison is essential.

Top AI Tools Price & Feature Comparison (2024)

1. Monica AI

🔗 Monica.im
🌟 Best for Budget-conscious users who need multiple AI models.

Feature	Free Plan 🆓	Pro ($9.99/mo) 💰	Ultimate ($29.99/mo) 🚀
AI Models	GPT-3.5, limited Claude/Gemini	GPT-4, Claude 2, Gemini Pro	GPT-4 Turbo, Claude 3, Gemini 1.5
Messages/Day	30	300	Unlimited
Images/Month	5	100	300
PDF/Web Search	❌ Limited	✅ Yes	✅ Yes (Priority)
Custom GPTs	❌ No	✅ Limited	✅ Yes

Verdict: Best affordable multi-model AI assistant.

2. Merlin AI

🔗 Merlin AI
🌟 Best for Power users who need Claude + GPT-4 + Web search.

Feature	Free Plan 🆓	Pro ($18/mo) 💰	Business ($50/mo) 🏢
AI Models	GPT-3.5, limited Claude	GPT-4, Claude 3, Gemini	GPT-4 Turbo, Claude 3, Gemini 1.5
Queries/Day	50	200	500
Web Browsing	❌ Basic	✅ Yes	✅ Advanced
Image Gen	❌ No	✅ 50/month	✅ 150/month

Verdict: Balanced AI chatbot with strong web research features.

3. Max AI

🔗 Max AI
🌟 Best for Quick summaries & AI-powered writing.

Feature	Free Plan 🆓	Pro ($12.99/mo) 💰	Enterprise ($49/mo) 🏢
AI Models	GPT-3.5	GPT-4, Claude 2	GPT-4 Turbo, Claude 3
Messages	20/day	150/day	500/day + API
Doc Search	❌ No	✅ 5/day	✅ Unlimited
Chrome Ext	✅ Yes	✅ Yes	✅ Premium

Verdict: Great for AI-powered writing & research.

4. Perplexity AI

🔗 Perplexity AI
🌟 Best for Researchers & detailed AI answers.

Feature	Free Plan 🆓	Pro ($20/mo) 💰
AI Models	Claude Instant	GPT-4, Claude 3
Copilot	❌ 5/day	✅ Unlimited
Files	❌ No	✅ PDF, Word
Images	❌ No	✅ DALL·E 3

Verdict: Best for deep AI-assisted research.

5. Chatsonic (WriteSonic)

🔗 WriteSonic
🌟 Best for Content creators & marketers.

Feature	Free Plan 🆓 (10K words/mo)	Pro ($13/mo) 💰
AI Models	GPT-3.5	GPT-4 Turbo, Claude 3
Images	❌ No	✅ 50/month
Voice	❌ No	✅ Yes

Verdict: Top AI writing & chatbot tool.

6. DeepSeek Chat

🔗 DeepSeek
🌟 Best for Free advanced GPT-4-like model.

Feature	Free Plan 🆓	Pro (Not Available Yet)
AI Model	DeepSeek-V3 (128K context)	❌ No paid plan
Files	✅ PDF, Word	❌ No paid tier

Verdict: Best free alternative to GPT-4.

7. Hugging Face Chat

🔗 HuggingChat
🌟 Best for Open-source AI models (Free).

Feature	Free Plan 🆓	Pro (N/A)
AI Models	Mixtral, Llama 3, Claude Instant	❌
Coding	✅ Strong	❌

Verdict: 100% free, great for coders & AI enthusiasts.

8. Poe AI (Quora’s AI)

🔗 Poe.com
🌟 Best for Accessing multiple premium AI models.

Feature	Free Plan 🆓	Pro ($16.99/mo) 💰
AI Models	GPT-3.5, Claude Haiku	GPT-4, Claude 3 Sonnet
Messages	Limited	600/month

Verdict: All-in-one chatbot with paid model access.

9. Perplexity Labs

🔗 Perplexity Labs
🌟 Best for AI researchers & developers.

Feature	Free Plan 🆓	Paid (Not Public)
AI Models	Llama 3 70B, Mistral 7B	❌ Coming Soon
Speed	✅ Fast	❌ Uncertain

Verdict: Cutting-edge AI for tinkerers.

10. Claude.ai

🔗 Claude.ai
🌟 Best for Long-context AI chats (200K tokens).

Feature	Free Plan 🆓 (Claude 3 Sonnet)	Pro ($20/mo) 💰 (Claude 3 Opus)
Context	200K tokens	200K tokens
Speed	Slower	Faster

Verdict: King of long-form AI discussions.

11. Gemini Advanced (Google AI)

🔗 Gemini
🌟 Best for Google ecosystem users.

Feature	Free Plan 🆓 (Gemini 1.0)	Gemini Advanced ($19.99/mo) 💰 (Gemini 1.5 Pro)
Google Workspace	✅ Yes	✅ Full AI integration
Code Help	✅ Basic	✅ Advanced

Verdict: Great for Google power users.

12. Microsoft Copilot Pro

🔗 Copilot Pro
🌟 Best for Microsoft 365 users.

Feature	Free Plan 🆓 (GPT-4 limited)	Pro ($20/mo) 💰 (GPT-4 Turbo)
Office AI	❌ Limited	✅ Full AI in Word/Excel
Speed	Slower	Priority access

Verdict: Best AI for Microsoft Office professionals.

Comparison Table: 12 AI Tools At-a-Glance

AI Tool	Free Plan?	Pro Plan Cost	Key Feature	Best For
Monica AI	✅ 30 msgs/day	$9.99/mo	Multi-model (GPT-4, Claude, Gemini)	Budget AI assistant
Merlin AI	✅ 50/day	$18/mo	Web browsing + AI models	Productivity AI
Max AI	✅ 20/day	$12.99/mo	AI writing & summaries	Quick AI help
Perplexity AI	✅ 5 Copilot/day	$20/mo	Research-first AI	Researchers
Chatsonic (WriteSonic)	✅ 10K words	$13/mo	AI writing & chatbot	Marketers
DeepSeek Chat	✅ Free	❌ None yet	Best free GPT-4 alternative	AI enthusiasts
Hugging Face Chat	✅ 100% free	❌ None	Open-source AI	Developers
Poe AI	✅ Limited	$16.99/mo	GPT-4 & Claude access	Multi-AI access
Perplexity Labs	✅ Free	❌ Coming soon	Cutting-edge AI	AI tinkerers
Claude.ai	✅ Sonnet free	$20/mo (Opus)	200K-context AI	Deep discussions
Gemini Advanced	✅ Gemini 1.0 free	$19.99/mo	Google AI	Google users
Copilot Pro	✅ GPT-4 (limited)	$20/mo	Office AI	Microsoft 365 users

Which AI Tool is Best for You in 2024?

🔹 Need multiple AI models cheap? → Monica AI ($9.99/mo)
🔹 Serious about research? → Perplexity AI ($20/mo)
🔹 Google ecosystem user? → Gemini Advanced ($19.99/mo)
🔹 Want 200K-token AI chats? → Claude Pro ($20/mo)
🔹 Best free option? → DeepSeek Chat (No paywall!) 🚀

Final Thoughts

AI is evolving rapidly—choosing the right tool depends on use case & budget. For most users:

Monica AI is the best value for multi-model AI.
Perplexity AI wins for serious research.
DeepSeek Chat & Hugging Face are best free alternatives.

Which AI tool are you using? Let’s discuss in the comments!