Function printCostAnalysis

benchmark/helpers.ts:734–779

(
  screenshotResults: BenchmarkResult,
  webmcpResults: BenchmarkResult
)

}

export function printCostAnalysis(
  screenshotResults: BenchmarkResult,
  webmcpResults: BenchmarkResult
): void {
  const screenshotCost =
    (screenshotResults.totalInputTokens / 1_000_000) * PRICING.inputPerMillion +
    (screenshotResults.totalOutputTokens / 1_000_000) * PRICING.outputPerMillion;

  const webmcpCost =
    (webmcpResults.totalInputTokens / 1_000_000) * PRICING.inputPerMillion +
    (webmcpResults.totalOutputTokens / 1_000_000) * PRICING.outputPerMillion;

  const savings = screenshotCost - webmcpCost;
  const savingsPct = ((savings / screenshotCost) * 100).toFixed(1);

  console.log();
  console.log(
    chalk.gray(
      `  Cost comparison (Sonnet: $${PRICING.inputPerMillion}/1M input, $${PRICING.outputPerMillion}/1M output):`
    )
  );
  console.log(
    chalk.gray("    Screenshot approach: ") + chalk.white(`$${screenshotCost.toFixed(6)}`)
  );
  console.log(
    chalk.gray("    WebMCP approach:     ") + chalk.white(`$${webmcpCost.toFixed(6)}`)
  );
  console.log(
    chalk.gray("    Savings per task:    ") +
      chalk.green(`$${savings.toFixed(6)} (${savingsPct}%)`)
  );

  console.log();
  console.log(chalk.gray("  Extrapolated to 100 interactions:"));
  console.log(
    chalk.gray("    Screenshot approach: ") + chalk.white(`$${(screenshotCost * 100).toFixed(4)}`)
  );
  console.log(
    chalk.gray("    WebMCP approach:     ") + chalk.white(`$${(webmcpCost * 100).toFixed(4)}`)
  );
  console.log(
    chalk.gray("    Savings:             ") +
      chalk.green(`$${(savings * 100).toFixed(4)}`)
  );
  console.log();
}

export function sleep(ms: number): Promise<void> {
  return new Promise((resolve) => setTimeout(resolve, ms));