Claude Sonnet 4

Chat Completions API

claude-sonnet-4-20250514

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AnthropicСоздана 25 мая 2025 г.1M контекст

Chat Completions API

Claude Sonnet 4 is a next-generation model from Anthropic, significantly enhancing coding and reasoning capabilities over its predecessor. It achieves state-of-the-art performance on SWE-bench, balances capability and computational efficiency, and is optimized for both routine and complex software development projects. Key features include improved codebase navigation, reduced error rates, and increased reliability in following intricate instructions.

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Здесь собран публичный контракт интеграции модели: поддерживаемые API-методы, параметры запросов и примеры вызовов.

Chat Completions APIPOST/v1/chat/completions

curl https://api.makura.ai/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  --data-raw '{
  "model": "claude-sonnet-4-20250514",
  "messages": [
    {
      "role": "user",
      "content": "Сколько будет 2 + 2?"
    }
  ]
}'

Frequency PenaltyLogit BiasMax Completion TokensPresence PenaltyReasoning EffortResponse FormatStopTemperatureTool ChoiceToolsTop P

Claude Sonnet 4

API-методы и структура запроса

Пример кода

Параметры