Claude Model Block

The Claude Model Block enables using Claude models for text generation, chat completions, and structured outputs within your workflows.

⚠️

API Key Required. Get your API key from the Claude Console (opens in a new tab).

Available Models

Model	Best For
Claude Opus 4	Complex analysis, math, coding, extended thinking
Claude Sonnet 4	Balanced performance and speed
Claude Haiku 3.5	Fast responses, lightweight tasks

Configuration

Model: Select from available Claude models
System Prompt: Set the AI assistant's behavior and persona (supports {{variables}})
User Prompt: The message/question to send (supports {{variables}})
Temperature: Controls randomness (0 = deterministic, 1 = creative)
Max Tokens: Maximum response length (up to 8192)
Top P: Nucleus sampling parameter (0-1)
Output Format: Define structured JSON output schema
Response Variable Mapping: Map response fields to workflow variables

Output

{
  "statusCode": 200,
  "data": {
    "completion": "The AI-generated response text...",
    "usage": {
      "inputTokens": 150,
      "outputTokens": 300,
      "model": "claude-sonnet-4-20250514",
      "organizationName": "Claude"
    }
  }
}

Use Cases

Generating content, summaries, and reports
Analyzing data and extracting insights
Building conversational AI workflows
Structured data extraction with output format schemas
Code generation and review automation

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