claude-sonnet-4-6

Anthropicclaude-sonnet-4-6

Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex codebase navigation, end-to-end project management with memory, polished document creation, and confident computer use for web QA and workflow automation.

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×0.880% of official list price
Base pricingPricing tier: base
  • Input usage × $2.40
  • Output usage × $12.00
  • Cached read × $0.24
  • Cache creation × $3.00
  • Cache creation (1 hour) × $4.80

Group multiplier: x0.8

Claude_Ultra×0.990% of official list price
Base pricingPricing tier: base
  • Input usage × $2.70
  • Output usage × $13.50
  • Cached read × $0.27
  • Cache creation × $3.38
  • Cache creation (1 hour) × $5.40

Group multiplier: x0.9

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

Model information

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

Frequently asked questions

01

What is Claude Sonnet 4.6?

Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex codebase navigation, end-to-end project management with memory, polished document creation, and confident computer use for web QA and workflow automation.
02

How much does Claude Sonnet 4.6 cost?

Claude Sonnet 4.6 costs $3.00/M input tokens and $15.00/M output tokens, with separate rates for Cache Read at $0.30/M tokens, Cache Write at $3.75/M tokens, Cache Write (1h) at $6.00/M tokens, and Web Search at $10.00/1K calls.
03

What is the context length of Claude Sonnet 4.6?

Claude Sonnet 4.6 has a 1,000,000 token context window. It supports up to 128,000 completion tokens.