Claude Sonnet 4.6
Overview
Claude Sonnet 4.6 is Anthropic’s most capable Sonnet-class model in the 4 generation, with frontier performance across coding, agents, and professional work. It accepts text, image, and PDF input with a 1M-token context window.
Key Features
- Sonnet-Class Frontier: Frontier coding and agent performance
- Multimodal (incl. PDF): Text, image, and PDF input
- Long Context: 1M-token context
Best Use Cases
- Production Coding: Everyday coding and code comprehension
- Agent Workflows: Multi-step tool use
- Professional Writing: High-quality documents and analysis
Specifications
| Item | Detail |
|---|---|
| Platform model ID | claude-sonnet-4-6 |
| Context window | 1,000,000 tokens |
| Input modalities | Text, image, PDF |
| Reasoning / thinking | Supported |
| First released (market) | Vendor has not published an exact date (previous Sonnet) |
| Live pricing | See the model marketplace |
Capabilities and Limitations
| Capability | Description |
|---|---|
| Reasoning | Strong. Sonnet-class frontier |
| Multimodal | Supports text, image, and PDF input (no audio/video) |
| Context Window | 1,000,000 tokens |
| Speed | Moderate |
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