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Anthropicactive

Claude Opus 4.1

Released at: August 5, 2025

API StatusAvailable for integration
Context Window200,000 tokens
Input Price / MTok$15.00
Output Price / MTok$75.00

Model Overview

Anthropic · Active Model

  • Long-Context
  • API Available
  • Production Ready

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...

Developer
Anthropic
Release Date
August 5, 2025
Context Window
200,000 tokens267 words
API Access
Publicly AvailableIntegrate via official API
Input Cost
$15.00per million tokens
Output Cost
$75.00per million tokens
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