claude-opus-4-1

by Anthropic — Price updated 2026-04-04

Pricing ($/1M tokens)
Input $15.00
Output $75.00
Cache Read $1.50
Cache Write $18.75
Specifications
Context Window 200,000
Max Output 32,000
Input text
Output text
Tool Calling Reasoning
About This Model

claude-opus-4-1 is a high-end language model from Anthropic.

It supports a context window of 200K tokens with up to 32K output tokens.

Key capabilities include tool calling, extended reasoning.

At $15.00/1M input tokens, it is positioned at the premium end of the pricing spectrum.

Anthropic offers 26 models in total, spanning different price points and capability levels.