Anthropic API
https://console.anthropic.com/
Anthropic (Claude) API Setup
Connect your Anthropic API key to use Claude models for content generation. Claude excels at nuanced, natural-sounding content.
Why Claude?
Anthropic's Claude models are known for:
Natural writing style — less "AI-sounding"
Long-form content — handles complex, lengthy articles well
Instruction following — excellent at matching tone and style
Thoughtful responses — better at nuanced topics
Many Cuppa users prefer Claude for their final, published content.
Available Models
Claude Haiku 4.5
Bulk generation, drafts
Lowest
Good
Claude Sonnet 4.5
Balanced quality/cost
Medium
Excellent
Claude Opus 4.5
Premium content
Higher
Best
Claude Opus 4.1
Advanced tasks
Higher
Excellent
Recommendation: Claude Sonnet 4.5 offers the best balance of quality and cost.
Step 1: Create an Anthropic Account
Go to console.anthropic.com
Click Sign Up
Verify your email
Complete account setup
Step 2: Add Payment Method
Anthropic requires a payment method before generating API keys:
Go to Settings → Plans & Billing
Click Add payment method
Enter your credit card details
Add credits ($5-20 to start)
Step 3: Generate Your API Key
Click Create Key
Name it "Cuppa" (optional)
Click Create Key
Copy the key immediately — you won't see it again!
Your key looks like: sk-ant-api03-xxxxxxxxxxxxxxxxxxxx
Step 4: Add Key to Cuppa
Log in to app.cuppa.ai
Go to Team Settings → API Keys
Find the Anthropic section
Paste your API key
Click Save
Using Claude in Cuppa
Once connected, select Claude models when generating:
Single Generation
Go to Create Content → Single Generation
In the model dropdown, select Claude Sonnet 4.5 (or another Claude model)
Continue with normal generation
Bulk Generation
Go to Create Content → Bulk Generation
Select a Claude model in settings
All articles in the batch will use Claude
In Presets
Go to Saved Presets → My Presets
Create or edit a preset
Set the default model to Claude
All content using that preset will use Claude
Claude vs GPT Comparison
Writing style
More natural
More structured
Long content
Excellent
Good
Following instructions
Excellent
Excellent
Speed
Fast
Fast
Cost (per article)
~$0.10-0.30
~$0.10-0.25
When to use Claude:
Final, published content
Brand voice matching
Nuanced topics
Long-form guides
When to use GPT:
Bulk drafts
Technical content
Structured formats
Cost optimization
Rate Limits
Anthropic has rate limits based on your usage tier:
Tier 1
New account
60
Tier 2
$100+ spent
1,000
Tier 3
$500+ spent
2,000
For bulk generation, Tier 2 is recommended.
Cost Management
Monitoring Usage
View current spend and limits
Set spending limits if needed
Typical Costs
Single article (2000 words)
Claude Haiku 4.5
$0.02-0.05
Single article (2000 words)
Claude Sonnet 4.5
$0.10-0.25
Bulk project (100 articles)
Claude Haiku 4.5
$2-5
Bulk project (100 articles)
Claude Sonnet 4.5
$10-25
Important Note
OpenAI is still required even when using Claude. Cuppa uses GPT-4o-mini for certain internal features:
Outline generation
SEO metadata
Content optimization
Make sure you have both keys connected for the best experience.
Troubleshooting
"Invalid API key"
Check you copied the full key (starts with
sk-ant-)Verify the key exists in Anthropic console
Create a new key if needed
"Rate limit exceeded"
Wait 1 minute and retry
Check your Anthropic tier
Consider using GPT for bulk, Claude for final edits
"Insufficient credits"
Add more credits at console.anthropic.com
Set up auto-recharge to avoid interruptions
"Model not available"
Ensure you're using a current model name
Some older models may be deprecated
Try Claude Sonnet 4.5 (most reliable)
FAQ
Do I need both OpenAI and Anthropic?
OpenAI is required. Anthropic is optional but recommended for higher-quality content.
Can I use Claude for everything?
You can use Claude for all main content generation. Some internal Cuppa features still require OpenAI.
Which Claude model is best for articles?
Claude Sonnet 4.5 is the sweet spot — excellent quality at reasonable cost.
Is Claude better than GPT?
For natural-sounding content, many users prefer Claude. For structured/technical content, GPT often works better. Try both!
How do I switch between models?
Select the model in the generation settings. You can also set a default in your presets.
Related Docs
OpenAI API Setup — Required for all users
Model Comparison — Detailed model comparison
Presets Guide — Save your preferred model settings
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