Grok API
Grok (xAI) API Setup
Connect your xAI API key to use Grok models for content generation. Grok is Elon Musk’s AI model, known for real-time information and a distinctive style.
What is Grok?
Grok is developed by xAI and offers:
- Real-time information from X (Twitter)
- Distinctive voice - more casual and witty
- Strong reasoning capabilities
- Cost-effective pricing
Available Models
| Model | Best For | Notes |
|---|---|---|
| Grok-2 | General content | Balanced quality/cost |
| Grok-2-mini | Bulk generation | Faster, cheaper |
Step 1: Create an xAI Account
- Go to x.ai/api
- Click API Platform (top right)
- Sign up or log in
Step 2: Get Your API Key
- In the xAI console, go to API Keys
- Click Create API Key
- Name it “Cuppa”
- Copy the key
Your key looks like: xai-xxxxxxxxxxxxxxxxxxxx
Step 3: Add Key to Cuppa
- Go to Team Settings → API Keys
- Find the Grok section
- Paste your API key
- Click Save
Using Grok in Cuppa
Once connected, select Grok when generating:
- Go to Create Content → Single Generation (or Bulk)
- In the model dropdown, select Grok-2 or Grok-2-mini
- Generate as normal
When to Use Grok
Good for:
- Social media content - matches X’s tone
- Trending topics - has real-time X data
- Casual content - witty, engaging style
- Budget bulk generation - competitive pricing
Consider other models for:
- Formal/professional content - Claude is better
- Technical documentation - GPT excels here
- Long-form guides - Claude handles better
Cost
Grok offers competitive pricing:
| Model | Cost per 1M tokens |
|---|---|
| Grok-2 | ~$2-5 |
| Grok-2-mini | ~$0.50-1 |
Typical article cost: $0.01-0.10
Troubleshooting
”Invalid API key”
- Verify you copied the full key
- Check the key exists in xAI console
- Create a new key if needed
”Model not available”
- Ensure you have API access (may require waitlist)
- Check xAI status page for outages
”Rate limit exceeded”
- xAI has usage limits on new accounts
- Wait a few minutes and retry
- Check your usage in xAI console
FAQ
Do I need X (Twitter) Premium for Grok API?
No. X Premium gives you access to Grok in the X app. The API is separate.
Is Grok better than GPT or Claude?
Each has strengths. Grok is great for casual content and real-time topics. Try it and compare!
Does Grok have access to X posts?
Yes, Grok can incorporate real-time information from X, which can be useful for trending topics.
Can I use Grok for all my content?
Yes, but we recommend keeping OpenAI connected for internal Cuppa features.
Related Docs
- OpenAI API Setup - Required for all users
- Anthropic API Setup - Add Claude models
- Model Comparison - Compare all available models