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) : 47.2 index
- Coding Index (artificial-analysis) : 63 index
- Agentic Index (artificial-analysis) : 40.8 index
- Design Arena agenticgamedev (other) : 1210 elo · #6
- Design Arena androidnative (other) : 1216 elo · #14
- Design Arena fullstack (other) : 1269 elo · #8
- Design Arena godotgamedev (other) : 1226 elo · #7
Notes
Claude Sonnet 4.6 is listed in the EDNA Models directory from the OpenRouter catalogue.
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