Live·typescript · pi

/usage

Usage statistics dashboard for Pi – track costs, tokens, and sessions across providers.

/usage screenshot

Overview

A Pi extension that displays aggregated usage statistics across all sessions. Track costs, tokens, and session counts by provider and model.

Features

Time periods – Today, This Week, All Time (Tab to switch)
Provider breakdown – Expand to see per-model stats
Cost tracking – Total cost in USD from API responses
Token details – Input, output, and cache tokens
Session deduplication – Handles branched session files

Usage

/usage

Key	Action
`Tab` / `←` `→`	Switch time period
`↑` `↓`	Select provider
`Enter` / `Space`	Expand/collapse provider
`q` / `Esc`	Close

Installation

npm install @tmustier/pi-usage-extension

Or via git:

pi install git:github.com/tmustier/pi-extensions

Why?

When you're running multiple agent sessions, it's easy to lose track of costs. This gives you a quick overview without leaving the terminal.