How do you use Claude Sonnet 4.6?

Claude Sonnet 4.6 can be called through OpenRouter's OpenAI-compatible API using the model ID anthropic/claude-sonnet-4.6. This page includes a ready-to-run curl example and the supported parameter list.

Is Claude Sonnet 4.6 free?

Claude Sonnet 4.6 is a paid model in the OpenRouter catalog, with separate input and output token pricing shown on this page.

Claude Sonnet 4.6

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AnthropicClaude Moderated

Claude Sonnet 4.6

Q: What is Claude Sonnet 4.6?

Claude Sonnet 4.6 is an AI model from Anthropic in the Claude series. Agent Mag tracks its context window, pricing, modalities, and supported API parameters on this page.

1M context

$3.00/M input

$15.00/M output

Claude Sonnet 4.6 is an AI model from Anthropic built for agent workflows, with support for text, image input and text output. 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...

What is Claude Sonnet 4.6?

Claude Sonnet 4.6 is an AI model from Anthropic that Agent Mag tracks for pricing, context window, modalities, benchmarks, and API compatibility. Builders can use this page to compare Claude Sonnet 4.6 against other models for agent workflows and production deployments.

Model ID

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...

Modalities

Input

textimage

Output

text

Supported Parameters

include_reasoningmax_completion_tokensmax_tokensreasoningresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_ktop_pverbosity

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Claude Sonnet 4.6

What is Claude Sonnet 4.6?

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