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Claude Sonnet 5 pricing and token costs

Claude Sonnet 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
$2.00

Promotional rate, currently in effect.

Output, per 1M tokens
$10.00

Promotional rate, currently in effect.

Context window
1,000,000 tokens

Input and output combined.

Tokenizer
Anthropic tokenizer

Counted by Anthropic's API; estimated when unavailable.

Alternatives

Articles that quote these figures

Common questions

How much does Claude Sonnet 5 cost per million tokens?
$2.00 per million input tokens and $10.00 per million output tokens, at the promotional rate currently in effect.
What is the context window of Claude Sonnet 5?
1,000,000 tokens, covering input and output combined.
Which tokenizer does Claude Sonnet 5 use?
Claude Sonnet 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.