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logoclaude-opus-4.1

Detailed information about claude-opus-4.1 AI model

At a glance

Modalities
Context window
200,000
Pricing
$15.00$75.00

Capabilities

Tool Calling

Connect the model to external tools and systems.

Reasoning

The model thinks before responding.

Pricing Details

Input

Tokens
$15.00/1M tokens
Cache read
$1.50/1M tokens
Cache write
$18.75/1M tokens

Output

Tokens
$75.00/1M tokens

Other Costs

Web search
$0.01

Model Owner

Organization

Google Vertex

Headquarters

US

Available Providers

Anthropic
Anthropic
anthropic/claude-opus-4.1
Released on 8/5/2025