Add AI brains to your automations — free guide with copy-paste prompts
Regular automation: "When I get a new email, save it to a spreadsheet." Useful, but limited. It can only move data around. It cannot think.
AI-powered automation: "When I get a new email, have AI read it, decide if it is urgent, draft a reply, and save a summary to a spreadsheet." Now your workflow actually makes decisions and creates content. That is the difference.
| Task | Without AI | With AI |
|---|---|---|
| New customer email | Save to spreadsheet | Classify urgency, draft reply, save summary |
| New blog post | Post link to social media | Generate 5 unique social posts with different angles |
| Customer feedback | Log in database | Analyze sentiment, extract themes, create report |
| New product listed | Notify team | Write product description, SEO title, ad copy |
| Support ticket | Assign to team member | Suggest solution, draft response, route by category |
n8n: Free (self-hosted) or $24/month (Cloud with 14-day free trial).
OpenAI API (ChatGPT): Pay-per-use. Most workflows cost $1-5/month. You need an API key from platform.openai.com.
Anthropic API (Claude): Pay-per-use. Similar pricing. You need an API key from console.anthropic.com.
Both APIs offer free credits when you sign up. Enough to test for weeks.
Sign up or log in. Click "API keys" in the left sidebar. Click "Create new secret key." Copy the key and save it somewhere safe.
Click "+" on your canvas and search for "OpenAI." Select OpenAI → Message a Model. When asked for credentials, paste your API key.
In the "Prompt" field, type what you want AI to do. You can mix in data from previous nodes using the {{ }} syntax.
Claude is made by Anthropic. It is especially good at following detailed instructions, working with long documents, and producing carefully structured output. Many businesses prefer Claude for anything that needs precision.
Go to console.anthropic.com. Sign up. Go to API Keys. Create a key. Copy it.
Search for "Anthropic" in the node panel. Select Anthropic → Message a Model. Paste your API key when asked. Pick claude-sonnet-4-20250514 as the model (best balance of speed and quality).
If the Anthropic node is not available, use the HTTP Request node:
When to use Claude vs ChatGPT: Use Claude when you need precise instruction-following, long document analysis, or structured output. Use ChatGPT when you need creative writing, image understanding, or when speed matters most. Both work great in n8n.
Trigger: New email in Gmail → AI: Classify urgency + category → Action: Route to the right folder, notify team if urgent
Trigger: New blog post (RSS or webhook) → AI: Generate social posts + email newsletter → Action: Schedule posts, draft newsletter
Trigger: New form submission → AI: Analyze sentiment, extract key themes → Action: Log to spreadsheet, alert if negative
Trigger: New row in Google Sheets (raw product data) → AI: Write SEO description + social copy → Action: Update product listing
Trigger: New file in Google Drive (meeting transcript) → AI: Summarize key points + extract action items → Action: Create Notion page, assign tasks
Action Step: Pick one workflow from this list. Open n8n. Build it now. You already know how to add nodes and connect them. The AI node is just another block in your chain.
Warning: AI can make mistakes. Never use AI output for legal, medical, or financial decisions without human review. For customer-facing content, always add a review step or human approval node before sending.
Our recommendation: We use Claude AI for our own business and recommend it to everyone we work with. It follows instructions precisely, writes at a professional level, and takes your privacy seriously. Try Claude.
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