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๐Ÿ“š AI Basics

Complete Guide to Free AI Services - ChatGPT, Gemini, Claude & More Without Spending Money

Want to try AI but paid subscriptions feel burdensome? I'll organize powerful free AI services by category!

Did you think using AI requires paying money?

No way! There are plenty of powerful AI tools available for free.

Today I'll organize AI services you can use right away without cost burden by category.

๐Ÿ’ฌ Conversational AI (Chatbots)

1. ChatGPT (Free)

Link: https://chat.openai.com

Free features:

  • โœ… GPT-4o mini model
  • โœ… Unlimited text conversations
  • โœ… Image analysis (explains uploaded images)
  • โœ… Saves conversation history

Limitations:

  • โŒ Can't use latest model (GPT-4o)
  • โŒ Can't use plugins
  • โŒ Sometimes slower response speed

Recommended for: AI beginners, general conversation & writing

2. Google Gemini (Free)

Link: https://gemini.google.com

Free features:

  • โœ… Real-time internet search integration
  • โœ… Google Workspace integration
  • โœ… Excellent Korean support
  • โœ… Just need Google account, no separate sign-up

Recommended for: Those needing latest info, Google ecosystem users

3. Claude (Free)

Link: https://claude.ai

Free features:

  • โœ… Good at handling long documents
  • โœ… Can upload files (PDF, images)
  • โœ… Calm and polite responses

Limitations:

  • โŒ Daily usage limits (roughly 50 times)

Recommended for: Long writing, data analysis

๐ŸŽจ Image Generation AI

1. Bing Image Creator (Free)

Link: https://www.bing.com/create

Free features:

  • โœ… Uses DALL-E 3 model (OpenAI's latest model!)
  • โœ… 15-25 credits daily
  • โœ… Just need Microsoft account

Recommended for: Those wanting high-quality images for free

2. Leonardo AI (Free)

Link: https://leonardo.ai

Free features:

  • โœ… 150 credits daily
  • โœ… Can generate about 30 images
  • โœ… Various styles (realistic, animation, illustration)
  • โœ… Commercial use allowed

Recommended for: Blog thumbnails, marketing materials

3. Canva AI (Free)

Link: https://www.canva.com

Free features:

  • โœ… AI image generation (limited)
  • โœ… Background removal (5 times/month)
  • โœ… Magic Write (AI text generation)
  • โœ… Automatic template adjustment

Recommended for: Design beginners, SNS posts

๐ŸŽต Music Generation AI

1. Suno (Free)

Link: https://suno.ai

Free features:

  • โœ… 5 songs per day
  • โœ… Can specify genre, mood
  • โœ… AI writes lyrics too

Limitations:

  • โŒ No commercial use (personal listening only)

Recommended for: Those wanting to try making music as a hobby

2. Udio (Free)

Link: https://udio.com

Similar to Suno but stronger in natural vocals.

๐Ÿ“ Writing Tools

1. Notion AI (Limited Free)

Link: https://notion.so

Free features:

  • โœ… 20 AI responses per month
  • โœ… Writing help, summarization, translation
  • โœ… Notion users can use right away

Tip: 20 times is enough if you only use AI for important tasks!

2. QuillBot (Free)

Link: https://quillbot.com

Free features:

  • โœ… English sentence correction
  • โœ… Paraphrase (rewording)
  • โœ… Grammar checking

Recommended for: Those writing in English

๐Ÿ” Search & Research AI

1. Perplexity AI (Free)

Link: https://perplexity.ai

Free features:

  • โœ… AI search with clear source citations
  • โœ… Can search academic papers
  • โœ… Suggests follow-up questions

Recommended for: Students, researchers, journalists

2. HuggingChat (Free)

Link: https://huggingface.co/chat

Free features:

  • โœ… Completely free
  • โœ… No usage limits
  • โœ… Open source models (Meta, Mistral, etc.)

Disadvantages:

  • Performance lower than ChatGPT/Claude

Recommended for: Developers, those wanting to experiment with AI

๐ŸŽฌ Video-Related AI

1. Runway (Limited Free)

Link: https://runwayml.com

Free features:

  • โœ… 125 credits monthly
  • โœ… Short video creation, editing
  • โœ… Background removal

Recommended for: Video editing beginners

2. Krea AI (Free)

Link: https://krea.ai

Free features:

  • โœ… Real-time image generation
  • โœ… AI pattern generation
  • โœ… Logo, texture creation

๐Ÿ’ก Tips for Using Free AI Well

1. Combine Multiple Tools

Combining multiple free services can be more effective than one paid service!

Example:

  • Write draft with ChatGPT
  • Add latest info with Gemini
  • Polish final version with Claude

2. Manage Credits

Many services reset free credits daily.

Tips:

  • Split usage between morning and evening
  • Only delegate important tasks to AI

3. Find Student/Educator Discounts

Many AI services offer student discounts.

  • ChatGPT Plus: Has student discount
  • Notion AI: Free for students
  • Canva: Free for educators

Check if you have a school email!

Recommended Combinations by Category

If you're a student?

  • ChatGPT (study helper)
  • Perplexity (research)
  • Notion AI (note organization)

If you're a blogger?

  • ChatGPT (draft writing)
  • Leonardo AI (thumbnails)
  • Canva (final design)

If you're a marketer?

  • Gemini (latest trend search)
  • Canva AI (social media posts)
  • ChatGPT (copywriting)

โš ๏ธ Important Warnings

Free Service Limitations

  • Usage count/time limits
  • Slower response speed
  • Can't use latest models
  • Commercial use restrictions (varies by service)

But sufficient for personal use!

Upgrade Pressure

You'll see "Upgrade to paid" popups while using free services, but ignore and keep using.

Switch to paid only when you really need it!

Next Steps?

Now that you know free AI tools, aren't you curious why AI sometimes gives strange answers?

In the next article, I'll explain what the hallucination phenomenon is and why it happens.

Understanding the principles helps you use AI more safely!


Next Article Preview: ๐Ÿ“Œ Why Does AI Make Mistakes? (Hallucination Phenomenon)