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 memory, polished document creation, and confident computer use for web QA and workflow automation.
Input
Output
Context
1000K
Max Output
128K
Parameters
—
Technical Specifications
Model TypeChat
Context Window1.0M
Max Output Tokens128K
Parameters—
Training Cutoff—
Licenseproprietary
Capabilities
Input Modalities
textimage
Output Modalities
text
Features
code_generationfunction_callingjson_modereasoningstreamingtext_generationvision
Benchmarks
Chatbot Arena
#52
Rank (Text)
+5/-5
arena text ci 95
1338
Arena Score (Text)
22,629
Votes (Text)
#28
Rank (Vision)
+12/-12
arena vision ci 95
1212
Arena Score (Vision)
2,448
Votes (Vision)
Artificial Analysis
13.2%
HLE
79.9%
GPQA
46.9%
SciCode
46.4
Coding
44.4
Intelligence
46.3
Speed (tok/s)
0.998
TTFA (s)
0.998
TTFT (s)
Resources & Links
proprietary — Proprietary - API access only
Related Tools
Data sourced from official provider APIs and documentation
Last updated: May 5, 2026
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