Claude Sonnet 4 Logo

Claude Sonnet 4

Provider: Anthropic

The upgraded Sonnet model in the Claude 4 series—combining fast responses with deeper reasoning. Excels in coding, advanced logical flows, and high-volume agentic environments with a 200K context window :contentReference[oaicite:8]{index=8}

Key Information:

  • Identifier: claude-sonnet-4-20250514
  • Fine-tunable: Yes
  • Standard Model: No