Anthropic

Claude Opus 4 Cost Calculator

Estimate your exact monthly API cost for Claude Opus 4. Enter your token volume and see the math — OpenRouter vs Neureus side-by-side.

$13.50 Input /M (Neureus)

$67.50 Output /M (Neureus)

200K Context window

−10% vs OpenRouter

Published pricing

Input (OpenRouter) $15.00/M

Input (Neureus) $13.50/M

Output (OpenRouter) $75.00/M

Output (Neureus) $67.50/M

Monthly cost estimator

How much will Claude Opus 4 cost?

Input tokens / month

Output tokens / month

Standard cost (OpenRouter)

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N Neureus cost

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You save — per month with Neureus

Cost breakdown

Type	Volume	Rate (OpenRouter)	Total (OpenRouter)	Rate (Neureus)	Total (Neureus)
Input	—	$15.00/M	—	$13.50/M	—
Output	—	$75.00/M	—	$67.50/M	—
Total			—		—

Model details

Context window

200K tokens

Maximum combined input + output size per request

Max output

32K tokens

Maximum tokens in a single response

Modalities

text, vision, code

Input types supported by this model

Provider

Anthropic

Access this model through Neureus or directly

Anthropic's most capable model. Exceptional at complex analysis, nuanced writing, coding, and agentic tasks requiring extended reasoning.

More Anthropic models

Free tier includes 5M tokens — no credit card. Access Claude Opus 4 and 34 other models through one API key, priced 10% below OpenRouter.