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Claude Sonnet 5
Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...
Benchmarks
Available Providers (5)
| Provider | Model ID | Input Cost | Output Cost | Context | Max Output | Docs |
|---|---|---|---|---|---|---|
 Vertex (Anthropic) | claude-sonnet-5@default | $2/MTok | $10/MTok | 1M | 128K | |
 Azure | claude-sonnet-5 | $2/MTok | $10/MTok | 1M | 128K | |
 Anthropic | claude-sonnet-5 | $2/MTok | $10/MTok | 1M | 128K | |
 Amazon Bedrock | anthropic.claude-sonnet-5 | $2/MTok | $10/MTok | 1M | 128K | |
 Vertex | claude-sonnet-5@default | $2/MTok | $10/MTok | 1M | 128K |
Capabilities
Reasoning
Tool Calling
Attachments
Open Weights
Structured Output