How to create your own AI agent for free – quick guide 2026
🤖 How to create your own AI agent – step by step
Concrete instructions for the two most popular tools: Google Gemini Gems (free) and ChatGPT Custom GPT (20€/month). No coding skills needed.
📅 Updated April 2026 | ⏱️ Reading time ~5 min
✅ Option A: Google Gemini Gems – completely free
Gemini Gems is the easiest and most affordable way to create your own AI agent. All you need is a Google account.
Step 1 – Open Gemini
Go to gemini.google.com and sign in with your Google account. In the left menu, click "Gems" and then "New Gem".
Step 2 – Give your agent a name
Give your agent a clear name, for example:
Step 3 – Write instructions
This is the most important part. In the Instructions field, write in Finnish:
You are friendly and solution-oriented.
You always answer in Finnish.
Delivery time is 3–5 business days.
The return period is 14 days.
If you do not know the answer, direct the customer to: info@company.fi
Step 4 – Save and test
Click "Save". Test the agent by typing questions into the chat field. Correct the instructions if necessary. Done!
💰 Option B: ChatGPT Custom GPT – 20€/month
ChatGPT Custom GPT offers more features, but requires a Plus subscription.
Step 1 – Open GPT Builder
Go to chatgpt.com and log in. Click "Explore GPTs" and then "Create".
Step 2 – Choose: Create or Configure
Create tab: You tell the chat what you want – it builds the agent automatically.
Configure tab: You define everything more precisely yourself.
Step 3 – Fill in the Configure fields
- Name: Agent's name
- Description: Short description
- Instructions: Detailed instructions
- Knowledge: Upload PDF files
- Capabilities: Select capabilities
Step 4 – Save and share
Click "Save". Choose visibility and share the link with your team.
📊 Which one is right for you?
| Google Gemini Gems | ChatGPT Custom GPT | |
|---|---|---|
| Price | ✅ Free | ⚠️ 20€/month (Plus) |
| Ease of Use | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ |
| Google Integration | ✅ Gmail, Docs, Sheets | ❌ No |
| File Upload | ⚠️ Limited | ✅ PDF, Word, Excel |
| Sharing with Team | ⚠️ Limited | ✅ Easy to share with a link |
📚 Read also:
🚀 Start today – for free!
Your own AI agent is ready in an hour. Start with Google Gemini Gems – for free, in Finnish, right away.
✅ Open Google Gemini for free →