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Claude Sonnet 4.6 is Anthropic’s balanced model offering strong performance at efficient cost for a wide range of tasks.

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Model

anthropic/claude-sonnet-4-6
ProviderAnthropic
NameClaude Sonnet 4.6

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Supported Endpoints

All three API formats are supported:

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Example

curl -X POST https://api.unifically.com/v1/messages \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -d '{
    "model": "anthropic/claude-sonnet-4-6",
    "max_tokens": 1024,
    "messages": [
      {"role": "user", "content": "Review this function for potential bugs."}
    ]
  }'