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Claude 3.7 Sonnet

ANTHROPIC Developer Architecture Profile

Intelligence (ELO)1198Chatbot Arena Verified
Max Context200,000Tokens
API Cost / 1M$18.00Blended Prompt + Completion

Model Capabilities

  • Coding & Logic
  • Fictional
  • Reasoning
  • Conversational
  • Agentic
Claude 3.7 Sonnet is an advanced large language model with improved reasoning, coding, and problem-solving capabilities. It introduces a hybrid reasoning approach, allowing users to choose between rapid responses and extended, step-by-step processing for complex tasks. The model demonstrates notable improvements in coding, particularly in front-end development and full-stack updates, and excels in agentic workflows, where it can autonomously navigate multi-step processes. Claude 3.7 Sonnet maintains performance parity with its predecessor in standard mode while offering an extended reasoning mode for enhanced accuracy in math, coding, and instruction-following tasks. Read more at the [blog post here](https://www.anthropic.com/news/claude-3-7-sonnet)

Granular Pricing Matrix

Input Tokens (Prompt)$3.00 / 1M
Output Tokens (Completion)$15.00 / 1M

Pricing data via OpenRouter. Sync: 3/16/2026

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