Here are the best free AI tools available in 2024 (still highly relevant in 2025), covering chatbots, image generation, coding, video editing, and more:

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🤖 Top Free AI Chatbots & Assistants

1. ChatGPT (GPT-4o Free Tier) – OpenAI’s most advanced free AI chatbot (limited messages).
2. Claude 3 Sonnet (Free) – Anthropic’s ethical AI assistant with strong reasoning.
3. Google Gemini 1.5 (Free Tier) – Deep Google integration with strong multimodal abilities.
4. DeepSeek Chat – Uncensored alternative to ChatGPT with long-context support.
5. Perplexity AI – Free AI search engine with cited sources (better than Google for research).

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🎨 Best Free AI Image Generators

6. Leonardo.AI (Free Tier) – High-quality AI art with daily credits.
7. Bing Image Creator (Free) – Powered by DALL·E 3, no watermark.
8. Playground AI – Free Stable Diffusion-based image generator.
9. Krea AI – Real-time AI art generation.
10. Stable Diffusion Web (Free Online Demos) – Run SD3 locally or via free cloud platforms.

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💻 Free AI Coding & Developer Tools

11. GitHub Copilot (Free for Students & Open Source) – AI pair programmer.
12. CodeLlama (70B Open Weights) – Meta’s free coding model.
13. Amazon CodeWhisperer (Free Tier) – AWS-optimized AI coding assistant.
14. Tabnine (Free Plan) – Local AI code completion.
15. Replit AI (Free Tier) – Cloud-based coding assistant.

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🎥 Free AI Video & Audio Tools

16. Runway ML (Free Tier) – AI video editing & generation.
17. ElevenLabs (Free TTS) – Best free text-to-speech AI.
18. CapCut AI (Free) – AI-powered video editing.
19. Descript (Free Plan) – AI audio & podcast editing.
20. HeyGen (Free Trial) – AI avatar video generator.

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📚 Free AI Research & Productivity Tools

21. Notion AI (Free Plan) – AI-powered notes & docs.
22. Otter.ai (Free 300 mins/month) – AI meeting transcription.
23. Hugging Face (Free Models) – Access to Llama 3, Mistral, etc.
24. Elicit AI (Free Tier) – AI research paper summarizer.
25. SciSpace (Free Plan) – AI tool for scientific research.

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🔍 Best Free AI for Everyday Use

26. Bing AI (Free GPT-4 Access) – Microsoft’s AI-powered search.
27. Grammarly (Free Plan) – AI writing assistant.
28. Canva AI (Free Tier) – AI design & image enhancement.
29. PicsArt AI (Free) – AI photo editing.
30. Remove.bg (Free) – AI background remover.

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💡 Pro Tips for Using Free AI in 2025

✅ Combine tools (e.g., ChatGPT for ideas + Leonardo.AI for images).
✅ Watch for limits – Many free tiers have usage caps.
✅ Check for student discounts (GitHub Copilot, etc.).
✅ Run models locally (LM Studio, Ollama) for privacy.

Would you like recommendations for a specific use case (coding, art, business, etc.)? 🚀