Claude Sonnet 4.6

Overview

Best combination of speed and intelligence with extended thinking support

Key Capabilities

• Code Generation — suited for tasks requiring code generation proficiency
• Reasoning — suited for tasks requiring reasoning proficiency
• Extended Thinking — suited for tasks requiring extended thinking proficiency
• Adaptive Thinking — suited for tasks requiring adaptive thinking proficiency
• Vision — suited for tasks requiring vision proficiency
• Agentic Tasks — suited for tasks requiring agentic tasks proficiency

Recommended Use Cases

• Code Migration
• Multi File Refactoring
• Api Modernization
• Documentation Generation

Technical Specifications

• Context Window: 1M tokens
• Max Output Tokens: 64K tokens
• Open Weight: No
• Release Date: January 15, 2026

Pricing

$3/M input tokens, $15/M output tokens

Provider

Claude Sonnet 4.6 is developed by Anthropic. For the latest information, visit the official documentation.