AnthropicFrontier#6 most used

Claude Opus 5.5

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Input / output price: $4 / $20; per 1M tokens · standard
Intelligence Index: 57.6; top 1%
Website Arena Elo: 1331 Elo; #5 of 172

Where it's used

Rank among current models on each use case's benchmark

In production: #6 by tokens processed on OpenRouter in the latest ranking window (8.3T tokens).

All prices

Read from Anthropic's pricing page

Tier	Input	Cached input	Output
Standard	$4	$0.20	$20
Batch	$2	—	$10
Fast mode	$8	—	$40

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