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.

1curl https://smartoken.top/v1/chat/completions \
2  -H "Authorization: Bearer $SMARTOKEN_API_KEY" \
3  -H "Content-Type: application/json" \
4  -d '{
5    "model": "claude-sonnet-4-6",
6    "messages": [
7      {
8        "role": "user",
9        "content": "你好"
10      }
11    ],
12    "stream": false
13  }'