claude-sonnet-4-6

Anthropicclaude-sonnet-4-6

aClaude Sonnet 4.6 is a large chatbot model released by Anthropic on February 17, 2026. It supports text and image input and text output, with a 1MB context window. Key capabilities include a large inference model and multilingual support. This page includes official documentation, API pricing, and public benchmarks for easy verification of specifications and usage costs. Data is primarily sourced from official releases (GitHub, Hugging Face, papers), followed by official benchmark results, and finally data from third-party evaluation organizations. Learn about data collection methods.

API Pricing

Price typeBilling expression
Official price
Base pricingPricing tier: base
  • Input usage × $3.00
  • Output usage × $15.00
  • Cached read × $0.30
  • Cache creation × $3.75
  • Cache creation (1 hour) × $6.00
Claude_Pro×0.440% of official list price
Base pricingPricing tier: base
  • Input usage × $1.20
  • Output usage × $6.00
  • Cached read × $0.12
  • Cache creation × $1.50
  • Cache creation (1 hour) × $2.40

Group multiplier: x0.4

Official pricing is subject to the model provider's latest published pricing and may vary by request method or service region. Claude_Pro — TokenByte channel pricing. Actual prices and availability reflect current platform data.

Model information

Model providerAnthropic
Model IDclaude-sonnet-4-6
Context window1000000
InputTextImage
OutputText