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ModelPricing

Struct ModelPricing 

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pub struct ModelPricing {
    pub input: f64,
    pub output: f64,
    pub cache_read: f64,
    pub cache_write: f64,
    pub cache_write_1h: f64,
}
Expand description

Pricing per 1M tokens (USD) by model family.

Anthropic bills three prompt-cache tiers off the base input rate: 5-minute cache write = 1.25× input, 1-hour cache write = 2× input, cache read = 0.1× input. cache_write is the 5-minute rate (Claude Code’s historical default); cache_write_1h is the 1-hour rate. Claude Code now emits usage.cache_creation.ephemeral_1h_input_tokens for the 1-hour portion, so the two must be priced separately or 1h writes undercount ~38%.

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§input: f64§output: f64§cache_read: f64§cache_write: f64

5-minute cache write (1.25× input).

§cache_write_1h: f64

1-hour cache write (2× input).

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