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Anthropic: Claude Opus 4.5

Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...

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Specification
Model ID
anthropic/claude-opus-4.5
Weight license
Not verified; consult the exact publisher model card
Modality
Text+image+file >text
Context
200K tokens
Input
$5.00/1M
Output
$25.00/1M
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 File, Image, Text inputs. Returns Text outputs.

Supported parameters

include_reasoningmax_completion_tokensmax_tokensreasoningresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_kverbosity

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