C
Claude Sonnet 4.6
2
Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier per...
commercialpaid
About
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 memory, polished document creation, and confident computer use for web QA and workflow automation.
Details
| Modality | image, text |
| Context Window | 1.0M tokens |
| Release Date | Feb 17, 2026 |
| API Available | Yes |
| Hosting | api |
| Output Speed | 160 tokens/sec |
| Time to First Token | 400ms |
| Quality Index | 90/100 |
| Coding Index | 91/100 |
| Reasoning Index | 87/100 |
Benchmarks
Chatbot Arena ELO
1445/1500
MMLU-Pro
86.8/100
SWE-bench Verified
79.6/100
MATH-500
89/100
GPQA Diamond
74.1/100
HumanEval
95.1/100
Artificial Analysis Index
51/100
Resources
Tags
multimodallong-contextapichatfrontiercodingreasoning
Quick Info
- Organization
- Anthropic
- Pricing
- $3.00/1M input tokens
- Popularity
- 79/100
- Updated
- Feb 20, 2026
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