Model detail
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.
Model specs
- Context length
- 1M
- Max output
- 128K
- I/O modalities
- Text / Image
- Released
- 2026-02
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API endpoints
One MixRoute gateway, OpenAI-compatible
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Anthropic Messages
/v1/messagesPOST -
OpenAI-compatible
/v1/chat/completionsPOST
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Pricing
Flat rate, unit: /1M Tokens
Input
$3.0000 /1M Tokens
Completion
$15.0000 /1M Tokens
Cache read
$0.3000 /1M Tokens
Cache creation
$3.7500 /1M Tokens
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Selection summary
Quickly judge whether it fits your workload
What is this model good for?
Iterative development, codebase navigation, and computer use
Use Sonnet 4.6 for iterative development, complex codebase navigation, end-to-end project management, polished document creation, and confident computer use for web QA and workflow automation.
What should you check before using it?
Test computer use and project management capabilities
Sonnet 4.6 excels at computer use for web QA and workflow automation. Test these specific capabilities to confirm they meet your requirements.
Why use it through MixRoute?
Use the compatible endpoint with stable model ID
Use the confirmed compatible endpoint with model ID claude-sonnet-4-6 through MixRoute.
08
Token cost estimator
Live estimate from this page's pricing, not an actual bill
Share of the same prefix read repeatedly, up to 100%
09
FAQ
Sonnet 4.6 is Anthropic’s most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex codebase navigation, and confident computer use.
One endpoint, a testable decision
Test this model and alternate routes with the same request format
Start from a real workload, then let quality, total cost, and failure conditions decide whether to send production traffic.