Router Stats

Display usage statistics and estimated cost savings from Claude Router.

Instructions

Read the stats file at ~/.claude/router-stats.json and present the data in a clear, formatted way.

Data Format

The stats file contains:

json

{
  "version": "1.0",
  "total_queries": 100,
  "routes": {"fast": 30, "standard": 60, "deep": 10},
  "estimated_savings": 12.50,
  "sessions": [
    {
      "date": "2026-01-03",
      "queries": 25,
      "routes": {"fast": 8, "standard": 15, "deep": 2},
      "savings": 3.20
    }
  ],
  "last_updated": "2026-01-03T15:30:00"
}

Output Format

Present the stats like this:

╔═══════════════════════════════════════════════════╗
║           Claude Router Statistics                 ║
╚═══════════════════════════════════════════════════╝

📊 All Time
───────────────────────────────────────────────────
Total Queries Routed: 100

Route Distribution:
  Fast (Haiku):     30 (30%)  ████████░░░░░░░░░░░░
  Standard (Sonnet): 60 (60%)  ████████████████░░░░
  Deep (Opus):      10 (10%)  ████░░░░░░░░░░░░░░░░

💰 Estimated Savings: $12.50
   (compared to always using Opus)

📅 Today (2026-01-03)
───────────────────────────────────────────────────
Queries: 25
Savings: $3.20

Route Distribution:
  Fast: 8 | Standard: 15 | Deep: 2

Steps

Use the Read tool to read ~/.claude/router-stats.json
If the file doesn't exist, inform the user that no stats are available yet
Calculate percentages for route distribution
Format and display the statistics
Include the savings comparison explanation

Notes

Savings are calculated assuming Opus would have been used for all queries
Cost estimates use: Haiku 4.5 $1/$5, Sonnet 4.5 $3/$15, Opus 4.5 $5/$25 per 1M tokens
Average query estimated at 1K input + 2K output tokens

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