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Anthropic: Claude Sonnet 4.6

Reasoning Tool Calling Attachments

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.

Providers 1
Released Feb 17, 2026
Input Modalities image, text
Output Modalities text
Tarsk Use coding

Benchmarks

44.4
Intelligence Index
46.4
Coding Index

Available Providers (1)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Kilo Gateway anthropic/claude-sonnet-4.6 $3.00/MTok $15.00/MTok 1M 128K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output