Function calculateCostFromTokens

src/utils/modelCost.ts:186–202

(
  model: string,
  tokens: {
    inputTokens: number
    outputTokens: number
    cacheReadInputTokens: number
    cacheCreationInputTokens: number
  },
)

 * Useful for side queries (e.g. classifier) that track token counts independently.
 */
export function calculateCostFromTokens(
  model: string,
  tokens: {
    inputTokens: number
    outputTokens: number
    cacheReadInputTokens: number
    cacheCreationInputTokens: number
  },
): number {
  const usage: Usage = {
    input_tokens: tokens.inputTokens,
    output_tokens: tokens.outputTokens,
    cache_read_input_tokens: tokens.cacheReadInputTokens,
    cache_creation_input_tokens: tokens.cacheCreationInputTokens,
  } as Usage
  return calculateUSDCost(model, usage)
}

function formatPrice(price: number): string {
  // Format price: integers without decimals, others with 2 decimal places