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Claude
Anthropic

Claude Opus 4.1

Updated: September 2026

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...

Specifications

Context
200K
Input Modalities
Text, Image
Output Modalities
Text
Input
$15/M
Output
$75/M

Capabilities

VISIONTEXTWEBCODINGTHINKINGWRITING

Similarly Priced Models

ModelProviderContextInput PriceOutput Price
Claude Opus 4
AnthropicAnthropic
200K$15/M$75/M
o1
OpenAIOpenAI
200K$15/M$60/M

Performance Metrics

Intelligence Index

01

34.5

> 56% OF MODELS

DATA SOURCE: Artificial Analysis

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