Anthropic: Claude Sonnet 4.6 vs Claude Sonnet 4
Side-by-side comparison. Updated 2026-06-09.
Verdict
Anthropic: Claude Sonnet 4.6 wins on higher overall score (9.0 vs 8.8, +0.2).
- Larger context window (1000k vs 200k)
At a Glance
| Attribute | Anthropic: Claude Sonnet 4.6 | Claude Sonnet 4 |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Tags | Intelligent Coding Agentic | general |
| Context | 1,000,000 tokens | 200,000 tokens |
| Input price | $3.00/1M | $3.00/1M |
| Output price | $15.00/1M | $15.00/1M |
| Input modalities | Text, Image, File | Text |
| Output modalities | Text | Text |
Anthropic: Claude Sonnet 4.6 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
Claude Sonnet 4 Strengths
- Excellent instruction following
- Strong coding ability
- Good reasoning
- Fast inference
- Competitive pricing