Claude Opus 4 Pricing

by Anthropic

Updated March 2026

Calculate Cost

According to UsagePricing's tracker, Claude Opus 4 costs $15.00 per 1M input tokens and $75.00 per 1M output tokens as of March 2026. The model supports a 200,000-token context window.

Legacy flagship — complex analysis and extended reasoning.

Token Costs (per 1M)

Input Price
$15.00
Output Price
$75.00

Technical Specs

Context Window 200,000 tokens
Last Updated March 2026
Provider Anthropic

Compare Claude Opus 4 With Other Models

Claude Opus 4 vs Claude Opus 4.6
$15.00 vs $ 5.00 per 1M input tokens
Claude Opus 4 vs Claude Sonnet 4.5
$15.00 vs $ 3.00 per 1M input tokens
Claude Opus 4 vs Claude Sonnet 4
$15.00 vs $ 3.00 per 1M input tokens

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Frequently Asked Questions

How much does Claude Opus 4 cost per 1M tokens? ▼

Claude Opus 4 costs $15 per 1M input tokens and $75 per 1M output tokens as of March 2026.

What is Claude Opus 4's context window? ▼

Claude Opus 4 has a context window of 200,000 tokens, meaning it can process approximately 150,000 words in a single request.

Who makes Claude Opus 4? ▼

Claude Opus 4 is made by Anthropic. You can access it via the Anthropic API.