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Anthropic: Claude Opus 4.1

Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains...

Image
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Specification
Model ID
anthropic/claude-opus-4.1
Modality
Text+image+file >text
Context
200K tokens
Input
$15.00/1M
Output
$75.00/1M
Web search
$10000.00/1M
Updated
Sep 20, 2026
Scores
Capabilities
  • Supports tool calling
  • Supports vision inputs
  • Supports long-context workflows
  • Supports deeper reasoning tasks

Input and output

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

Supported parameters

include_reasoningmax_tokensreasoningstoptemperaturetool_choicetoolstop_ktop_p

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