AI Tool

OpenUsage Review

OpenUsage is a native macOS menu bar application designed to track subscription limits, usage, and costs for various AI coding tools.

shipped Sep 25, 2026free

Domain rating21Monthly visits16/mo

Why it matters

1OpenUsage is a free, open-source macOS menu bar application.

2It tracks usage and spend across providers including Claude, Codex, Cursor, Copilot, Devin, Grok, OpenRouter, Z.ai, and Antigravity.

3The latest update is Version 0.7.12, focusing on provider support and metric accuracy.

4It supports macOS 15+ and can be installed via Homebrew (`brew install --cask openusage`).

Specs

API Docs

View Documentation →

GitHub

View Repository →

API Available

Yes, public API

overview

What is OpenUsage?

OpenUsage is an AI usage tracking tool that enables developers to monitor subscription limits, usage, and costs for various AI coding tools. It provides real-time visibility into AI usage limits across multiple platforms, helping users manage their consumption and prevent unexpected service interruptions due to reaching usage caps. The application offers an at-a-glance overview of subscription progress bars and countdowns to reset windows, displaying metrics such as remaining usage percentages and reset times for individual AI tools. All usage data is aggregated and stored locally on the user's machine, with no SaaS component.

features

Key Features of OpenUsage

OpenUsage provides a comprehensive set of features for monitoring AI tool consumption, integrating directly into the macOS menu bar for constant visibility. Its design prioritizes real-time data and user privacy.

Real-time visibility into AI usage limits across multiple platforms.
At-a-glance overview of subscription progress bars and countdowns to reset windows.
Displays remaining usage percentages and reset times for individual AI tools.
Tracks subscription limits, usage, and costs for various AI coding tools, including Claude, Codex, Cursor, Copilot, Devin, Grok, OpenRouter, Z.ai, and Antigravity.
Shows total spend at a glance for Today, Yesterday, and the last 30 Days.
Features pace markers and flame warnings for usage, indicating potential limit breaches.
Allows pinning up to two customizable metrics per provider to the macOS menu bar.
Supports tracking multiple accounts for providers like Claude and Codex.
Usage history is synced over iCloud for data persistence.
Offers local API (localhost:6736/v1/limits) and command-line access (openusage command) for usage data.
Operates without requiring a login, reading credentials already present on the Mac.
Includes a privacy feature to hide numbers when sharing the screen.

use cases

Who Should Use OpenUsage?

OpenUsage is primarily designed for developers and individuals who frequently use multiple AI coding tools and need to monitor their consumption to avoid unexpected service interruptions or budget overruns.

Developers building with AI who need to monitor token usage and API costs across various services.
Users tracking subscription limits for AI coding tools like Claude, Copilot, and Grok.
Individuals who want to prevent unexpected service interruptions due to reaching AI usage caps.
Anyone seeking a consolidated view of AI usage and spend without needing to check multiple provider dashboards.

how to use

How to Use OpenUsage

OpenUsage is a native macOS application that integrates into the menu bar, providing immediate access to AI usage data. Installation is straightforward, and it operates by reading existing credentials on your system.

1Download the application from openusage.ai or install via Homebrew (brew install --cask openusage).
2Launch the application; it will appear in your macOS menu bar.
3Configure providers and metrics within the application settings.
4Monitor real-time usage, spend, and reset countdowns directly from the menu bar.
5Pin up to two key metrics per provider to the menu bar for constant visibility.
6Access usage history and detailed data via the local API or command-line interface.

pricing

OpenUsage Pricing & Plans

OpenUsage is a free and open-source application. There are no pricing plans or subscription fees associated with the tool itself. Users are only responsible for the costs of the underlying AI services they consume (e.g., Claude, Copilot, OpenAI APIs).

Standard: Free (Includes all features, open-source access)

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Pros

+Provides real-time, at-a-glance visibility into AI usage limits and costs directly from the macOS menu bar.
+Supports a wide range of popular AI coding tools and services, including Claude, Copilot, and Grok.
+Free and open-source, making it accessible without subscription fees for the tool itself.
+Prioritizes user privacy by storing all usage data locally and operating without requiring a login.
+Offers customizable pinned metrics and display order for personalized monitoring.
+Includes a local API and command-line access for advanced data integration and scripting.

Cons

−Exclusively available for macOS 15+, limiting its use for Windows or Linux users.
−While it tracks many providers, it may not cover every niche or newly emerging AI service.
−Relies on existing local credentials, which might require initial setup for some providers.
−The menu bar interface, while convenient, offers less detailed historical analysis compared to dedicated dashboards like OpenUsage.sh.

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GitHubgithub.com/robinebers/openusage/releases/tag/v0.7.12