AI Token Monitor

AI Token Monitor
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AI Token Monitor is a lightweight system tray app for macOS and Windows that answers one question, all day long: *how much are my AI coding tools actually costing me?* It reads the local session logs that Claude Code, Codex, OpenCode, Gemini CLI, GJC, Grok, Kiro, OmO, Pi, omp, Antigravity CLI, and Hermes Agent already write, prices every token with per-model rates (cache reads included), and puts today's spend right next to your clock — with charts, plan-limit alerts, an opt-in leaderboard, chat, and webhook notifications one click away.

- Zero setup — no API keys, no proxies. If you've run Claude Code or Codex once, it just works.
- Spend at a glance — live cost in the menu bar / system tray, full dashboard on click.
- Stay ahead of limits — live 5-hour session & weekly plan bars, plus Discord / Slack / Telegram alerts before you hit the wall.
- Private by design — 100% offline by default; leaderboard, chat, and webhooks are strictly opt-in.

    Overview
    Analytics
    Leaderboard

    Today's usage, 7-day chart, weekly/monthly totals
    Activity graph, 30-day trends, model breakdown
    Compare usage with other developers

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How It Works

1. Reads local session logs — watches the JSONL files your AI CLIs already write (see Data Sources for exact paths)
2. Parses & prices locally — a Rust engine deduplicates entries, applies per-model pricing (cache reads included), and re-aggregates the moment a file changes
3. Shows it everywhere — tray cost ticker, dashboard charts, plan-limit alert bar, and optional webhook notifications

Everything above happens on your machine. The app makes zero network requests unless you opt in to the leaderboard, chat, or webhooks — and even…