Claude Opus 4.5

Anthropic model details for pricing, context, and release tracking.

Pricing data updated:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output
Model Specs
ProviderAnthropic
Model IDanthropic/claude-opus-4.5
Prompt Price
per 1M tokens		$5
Completion Price
per 1M tokens		$25
Sample Workload Cost
1M input + 500K output		$17.5
Context Window200K
Release Date2025-11-24
Popularity RankUnranked
Daily DemandN/A

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Prices are normalized to USD per 1M tokens.
Claude Opus 4.5 Calculating… Estimated monthly API cost
Unit prices $5 input / $25 output Per 1M tokens

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Model Introduction

Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...

Best Fit

Claude Opus 4.5 is best suited for general API evaluation.

Cost Example

A 1M input token plus 500K output token workload is estimated at $17.5.

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