AnthropicOfficial

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...

Pricing

Input

$15.00/1M tokens

Output

$75.00/1M tokens

Cache Write

$18.75/1M tokens

Cache Read

$1.50/1M tokens

Capabilities

Context Window200K tokens

Max Output32K tokens

SpeedSlow

Release2025-08

Vision

Tool Use

API Access

Local / Open

API Access

Official API

Official Links

Official Website

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