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Website: https://www.anthropic.com/

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Getting an API Key

  1. Go to Anthropic Console and sign in
  2. Navigate to API keys
  3. Click “Create Key” and name it (e.g., “CodinIT”)
  4. Copy the key immediately - you won’t see it again

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Configuration

  1. Click the settings icon (⚙️) in CodinIT
  2. Select “Anthropic” as the API Provider
  3. Paste your API key
  4. Choose your model

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Supported Models

  • anthropic/claude-sonnet-4.5 (Recommended)
  • claude-opus-4-1-20250805
  • claude-3-7-sonnet-20250219
  • claude-3-5-sonnet-20241022
  • claude-3-5-haiku-20241022
See Anthropic’s documentation for full model details.

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Extended Thinking

Enable enhanced reasoning for complex tasks by checking “Enable Extended Thinking” in CodinIT settings. Available for Claude Opus 4, Sonnet 4.5, and Sonnet 3.7. Learn more in the Extended Thinking documentation.

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Notes