Claude Sonnet 5
Anthropic馃嚭馃嚫
anthropic/claude-sonnet-5Claude Sonnet 5 is Anthropic's most capable Sonnet-tier model, bringing near-Opus intelligence to coding, agentic workflows, and professional knowledge work at Sonnet-level cost. It is a strict improvement over Sonnet 4.6 across the cost-performance curve and serves as the default model for Anthropic's Free and Pro plans.
Cost rate
2x
Context
1M
Released
Jun 30, 2026
Input
TextImageFile
Output
Text
Support
ReasoningTool callingStructured outputs
Best at
The categories where this model ranks highest.
Document analysis
#17 路 top 39%
Mathematical
#26 路 top 7%
Image understanding
#33 路 top 22%
Life, Physical, & Social Science
#35 路 top 9%
Performance
Median latency and throughput measured across recent requests.
Throughput58 tok/s
Latency