Session Analytics

Understand where tokens go, identify waste, and optimize Claude Code sessions for cost and speed.

Goal

Give users the tools to measure, understand, and improve the efficiency of their Claude Code sessions.

Token Tracking

Reading /cost output

Run /cost in any session to see:

Input tokens:        145,230
Output tokens:        28,450
Cache read tokens:    89,100  (cheaper — 10% of input price)
Cache write tokens:   12,400  (25% more than input price)
Total estimated cost: $0.87