Sabit abonelik (Claude Max / Cursor Ultra tipi) vs API token bazlı kullanım (pay-as-you-go) Comparison

#!/bin/bash
# A simple daily usage log to track your subscription quota (Claude Code hook example)
# ~/.claude/hooks/usage-log.sh — writes a rough estimate of usage to a file at the end of each session
# (This isn't an official Anthropic API — it's a simple accounting script kept on the user's side)

LOG_FILE="$HOME/.claude/usage-log.csv"
DATE=$(date +%Y-%m-%d)
SESSION_MODE=${1:-"interactive"}   # interactive | ci

if [ ! -f "$LOG_FILE" ]; then
  echo "date,mode,note" > "$LOG_FILE"
fi

echo "$DATE,$SESSION_MODE,under subscription quota" >> "$LOG_FILE"

# Weekly summary: interactive vs ci session count
echo "--- This week ---"
awk -F, -v d="$(date -v-7d +%Y-%m-%d 2>/dev/null || date -d '-7 days' +%Y-%m-%d)" \
  'NR>1 && $1>=d {count[$2]++} END {for (m in count) print m": "count[m]" sessions"}' "$LOG_FILE"

# Rule: if the number of sessions tagged "ci" exceeds 10 per week,
# consider moving automation to a separate API key (see migrationGuide).

// API token-based usage - simple cost calculator (Node.js)
// Using the figures from the official pricing table (platform.claude.com/docs/en/about-claude/pricing)
// calculates the estimated cost of a real Anthropic API call.

const PRICES_PER_MTOK = {
  "sonnet-5": { input: 2, output: 10, cacheRead: 0.20 },
  "opus-5.5": { input: 4, output: 20, cacheRead: 0.20 },
  "fable-5.1": { input: 10, output: 50, cacheRead: 0.25 },
};

function estimateCost(model, { inputTokens, outputTokens, cachedTokens = 0 }) {
  const p = PRICES_PER_MTOK[model];
  if (!p) throw new Error(`Unknown model: ${model}`);

  const freshInput = Math.max(inputTokens - cachedTokens, 0);
  const cost =
    (freshInput / 1_000_000) * p.input +
    (cachedTokens / 1_000_000) * p.cacheRead +
    (outputTokens / 1_000_000) * p.output;

  return Number(cost.toFixed(4));
}

// Example: a CI agent reusing the same 500K-token codebase context repeatedly,
// producing 2K new output tokens each call.
const dailyCost = estimateCost("fable-5.1", {
  inputTokens: 500_000,
  cachedTokens: 480_000, // after the first call, most of it is read from cache
  outputTokens: 2_000,
});

console.log(`Estimated daily cost: $${dailyCost}`);
// Output: Estimated daily cost: $0.42
// Without cache, the same job (500K fresh input + 2K output): ~$5.10 -> ~92% savings