CUStats - Track Claude & Codex Usage – Real-time AI usage monitoring across devices

Summary: CUStats monitors Claude and OpenAI Codex usage in real-time on macOS, iOS, and soon Android, providing multi-account support, pace prediction, and detailed usage limits. It offers historical charts, session triggers, and local data storage to help users avoid unexpected rate limits.

What it does

CUStats displays AI usage in the macOS menubar and mobile apps, tracking multiple Claude and Codex accounts simultaneously. It predicts weekly usage pace, shows 5-hour, 7-day, and model-specific limits, and provides historical views with GitHub-style charts.

Who it's for

It is designed for developers and users who rely on Claude Code and OpenAI Codex and need to monitor their API usage across personal and work accounts.

Why it matters

CUStats eliminates uncertainty about AI usage limits by providing real-time data and forecasts, preventing interruptions caused by unexpected rate limiting.