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Free AI Tools by What’s AI

Explore our collection of free, interactive AI tools designed to help you learn, experiment, and make better use of artificial intelligence.

Whether you’re trying to choose the right AI platform, improve your prompts, estimate AI costs, or simply have fun exploring the world of AI, our tools are built to be simple, practical, and completely free to use.

No sign-ups. No downloads. Just useful AI tools created for curious minds.

Try our tools below.

Which AI Should I Use?

Not sure whether ChatGPT, Claude, Gemini, Grok, or another AI platform is right for you? Answer a few questions and get a personalized recommendation.

Guess The AI

Can you tell the difference between today’s most popular AI models?

AI Cost Calculator

Estimate the costs of using various AI services and better understand the financial side of AI projects and subscriptions.

AI Vibe Match

Our free AI Vibe Match quiz helps you discover which popular AI assistant best matches your natural style of thinking and problem solving.

AI Prompt Guidance

Our free AI Prompt Guidance tool helps you build better prompts for ChatGPT, Claude, Gemini, Perplexity, and other AI assistants.

AI Prompt Improver

Our free AI Prompt Improver helps transform basic prompts into clearer, more detailed instructions that can produce significantly better results in ChatGPT, Claude, Gemini, Perplexity, and other AI assistants.

Why Use Our Free AI Tools?

At What’s AI, we believe artificial intelligence should be understandable and accessible to everyone. That’s why our tools are designed to:

✓ Be completely free to use

✓ Help you learn by doing

✓ Solve real-world AI questions

✓ Require no registration or technical knowledge

✓ Work directly in your browser

Whether you’re just beginning your AI journey or already using artificial intelligence every day, our tools are designed to help you explore and understand AI more effectively.

Start Exploring AI Today

Artificial intelligence is evolving faster than ever, and understanding how to use AI effectively is becoming an increasingly valuable skill.

Our goal at What’s AI is simple: make artificial intelligence easier to understand, easier to explore, and easier to use.

These free tools are just one part of that mission.

Try a tool, experiment with different AI platforms, and continue exploring the rapidly changing world of artificial intelligence. Your AI journey starts here.