---
title: "AIUsage: Docs | phatdev.net"
url: https://phatdev.net/en/docs/aiusage
lang: en
updated: 2026-10-23
alternate:
  vi: https://phatdev.net/docs/aiusage
markdown: https://phatdev.net/en/docs/aiusage.md
---

# AIUsage

> A quota and cost dashboard for AI services on macOS: Claude, ChatGPT/Codex, Antigravity and the Gemini API in one window and one widget, pace forecasts, where-the-quota-goes analysis, data stays on your Mac.

## Getting started

- [Introduction and what's new](https://phatdev.net/en/docs/aiusage/gioi-thieu.md): What AIUsage is, its three principles, main features, changes by version and the documentation index.
- [Install and sign in to the sources](https://phatdev.net/en/docs/aiusage/cai-dat.md): Requirements, building from source, installing the background jobs, signing in to Claude, Console, Codex, Antigravity and Gemini, and troubleshooting.

## Features

- [Quota, forecast and API credit](https://phatdev.net/en/docs/aiusage/quota-du-bao.md): Per-vendor quota bars, the API credit row, the pace forecast, stale-data warnings and countdowns.
- [Claude and Codex analysis](https://phatdev.net/en/docs/aiusage/phan-tich-claude-codex.md): What eats the Claude quota, combining every place it runs, detailed Codex and OpenAI server data.
- [Gemini API and cost](https://phatdev.net/en/docs/aiusage/gemini-chi-phi.md): Credit balance, cost from four data layers, an end-of-month projection and a 30-day spend calendar.
- [Widget and dashboard window](https://phatdev.net/en/docs/aiusage/widget-cua-so.md): The large widget, a window that grows to full height, free resizing and grid charts.

## Security & engineering

- [Security and privacy](https://phatdev.net/en/docs/aiusage/bao-mat.md): What is stored and where, the widget sandbox and remote sources.
- [Architecture and pitfalls met](https://phatdev.net/en/docs/aiusage/kien-truc.md): The data flow, the components, cache rules and the engineering pitfalls met.

## Reference

- [Changelog](https://phatdev.net/en/docs/aiusage/changelog.md): Notable changes by version. Latest: 0.8.0 (2026-10-23).