Function formatModelUsage

src/cost-tracker.ts:182–227

()

}

function formatModelUsage(): string {
  const modelUsageMap = getModelUsage()
  if (Object.keys(modelUsageMap).length === 0) {
    return 'Usage:                 0 input, 0 output, 0 cache read, 0 cache write'
  }

  // Accumulate usage by short name
  const usageByShortName: { [shortName: string]: ModelUsage } = {}
  for (const [model, usage] of Object.entries(modelUsageMap)) {
    const shortName = getCanonicalName(model)
    if (!usageByShortName[shortName]) {
      usageByShortName[shortName] = {
        inputTokens: 0,
        outputTokens: 0,
        cacheReadInputTokens: 0,
        cacheCreationInputTokens: 0,
        webSearchRequests: 0,
        costUSD: 0,
        contextWindow: 0,
        maxOutputTokens: 0,
      }
    }
    const accumulated = usageByShortName[shortName]
    accumulated.inputTokens += usage.inputTokens
    accumulated.outputTokens += usage.outputTokens
    accumulated.cacheReadInputTokens += usage.cacheReadInputTokens
    accumulated.cacheCreationInputTokens += usage.cacheCreationInputTokens
    accumulated.webSearchRequests += usage.webSearchRequests
    accumulated.costUSD += usage.costUSD
  }

  let result = 'Usage by model:'
  for (const [shortName, usage] of Object.entries(usageByShortName)) {
    const usageString =
      `  ${formatNumber(usage.inputTokens)} input, ` +
      `${formatNumber(usage.outputTokens)} output, ` +
      `${formatNumber(usage.cacheReadInputTokens)} cache read, ` +
      `${formatNumber(usage.cacheCreationInputTokens)} cache write` +
      (usage.webSearchRequests > 0
        ? `, ${formatNumber(usage.webSearchRequests)} web search`
        : '') +
      ` (${formatCost(usage.costUSD)})`
    result += `\n` + `${shortName}:`.padStart(21) + usageString
  }
  return result
}

export function formatTotalCost(): string {
  const costDisplay =