Claude Sonnet 4.6
by Anthropic
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 c
Models
Claude Sonnet 4.6
Added 10 July 2026
Overview
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...
How to use / API access
Call via OpenRouter with model id `anthropic/claude-sonnet-4.6`.
- openrouter ·
anthropic/claude-sonnet-4.6Docs
OpenRouter id: anthropic/claude-sonnet-4.6
Benchmarks
- Intelligence Index (artificial-analysis): 30.1 index
- Coding Index (artificial-analysis): 63 index
- Agentic Index (artificial-analysis): 31.8 index
- Design Arena agenticgamedev (other): 1177 elo · #16
- Design Arena androidnative (other): 1211 elo · #13
- Design Arena fullstack (other): 1213 elo · #14
- Design Arena godotgamedev (other): 1226 elo · #12
Notes
Claude Sonnet 4.6 is listed in the EDNA Models directory from the OpenRouter catalogue.
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