How much does Claude Opus 5 cost per million tokens?

$5.00 per million input tokens and $25.00 per million output tokens.

What is the context window of Claude Opus 5?

1,000,000 tokens, covering input and output combined.

Which tokenizer does Claude Opus 5 use?

Claude Opus 5 is tokenized by Anthropic. Counts here come from Anthropic's official token-counting API, and fall back to a character-based estimate when it is unavailable.

Claude Opus 5 pricing and token costs

Claude Opus 5 is a Anthropic model with a 1,000,000-token context window. Rates below are per million tokens, and are the ones in effect today.

Pricing

Input, per 1M tokens: $5.00
Output, per 1M tokens: $25.00
Context window: 1,000,000 tokens
Tokenizer: Anthropic tokenizer

Count your own prompt Compare all 11 models

Alternatives

Articles that quote these figures

Common questions

How much does Claude Opus 5 cost per million tokens?: $5.00 per million input tokens and $25.00 per million output tokens.
What is the context window of Claude Opus 5?: 1,000,000 tokens, covering input and output combined.
Which tokenizer does Claude Opus 5 use?: Claude Opus 5 is tokenized by Anthropic. Counts here come from Anthropic's official token-counting API, and fall back to a character-based estimate when it is unavailable.

Figures come from Anthropic’s published list prices and are checked against every article on this site that quotes them at build time. They are still estimates of what a request costs — verify against your own billing before committing to them.