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Anthropic: 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,...

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Specification
Model ID
anthropic/claude-sonnet-5
Weight license
Not verified; consult the exact publisher model card
Modality
Text+image+file >text
Context
1M tokens
Input
$2.00/1M
Output
$10.00/1M
Web search
$10000.00/1M
Updated
Nov 14, 2026
Scores
Capabilities
  • Supports tool calling
  • Supports vision inputs
  • Supports long-context workflows
  • Supports deeper reasoning tasks

Input and output

Accepts Text, Image, File inputs. Returns Text outputs.

Supported parameters

include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstool_choicetoolsverbosity

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