Claude Sonnet 4 API is Anthropic’s entry-level Claude 4 model endpointthat offers hybrid “instant response” and extended “summarized thinking” modes for advanced coding, reasoning, and agentic workflows at competitive token-based pricing. Overview Claude Sonnet 4 is the latest addition to Anthropic’s Claude family of large language models (LLMs), unveiled on May 22, 2025. Positioned as […]
Model Type: Chat