Anthropic: 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...
Specifications
| Attribute | Value |
|---|---|
| Lab | Anthropic |
| Tags | Agentic Coding Intelligent |
| Release Date | 2026-02 |
| Context Window | 1,000,000 tokens |
| Input Price / 1M | $3.00 |
| Output Price / 1M | $15.00 |
| Input Modalities | Image, Text |
| Output Modalities | Text |
Strengths
- Frontier performance across coding, agents, and professional work
- Most capable Sonnet-class model closing gap with Opus tier
- Excellent for iterative development and complex codebase navigation
- Confident computer use for web QA and workflow automation
Weaknesses
- Priced above previous Sonnet generation ($3/$15 per 1M tokens)
- Still below Opus on the hardest reasoning benchmarks
Best For
- Day-to-day coding and iterative development
- Agentic automation and computer use
- Professional document creation and editing
In Depth: Claude Sonnet 4.6
Summary
Claude Sonnet 4.6 is an AI model from Anthropic.
Released 2026-02. It currently appears in the Overall category on LMRank and 1 other category. It supports Image, Text input and produces Text output, with a context window of 1,000,000 tokens. Input pricing is $3.00 per 1M tokens and output is $15.00 per 1M tokens on OpenRouter.