I built a Usage Dashboard into my custom ChatGPT UI, helps you decide if Plus is worth it or if the API makes more sense
By Holidays in Europe / March 22, 2026 / No Comments / Uncategorized
Enhancing ChatGPT User Experience: Building a Custom Usage Dashboard for Informed Decision-Making
In the rapidly evolving landscape of AI-powered tools, understanding usage patterns and costs is crucial for maintaining efficiency and managing expenses. Recently, I embarked on a project to customize the ChatGPT user interface (UI) by developing a comprehensive Usage Dashboard integrated directly into the platform. This custom solution aims to empower users—especially heavy users—to make informed decisions about their subscription plans and API usage.
Developing a Custom ChatGPT UI with Tampermonkey
The foundation of this project involves leveraging Tampermonkey, a popular browser automation tool that allows users to inject custom scripts into web pages. By running these scripts directly on chatgpt.com, I was able to create an overlay that enhances the native interface without requiring alterations to the platform itself.
Key Features of the Usage Dashboard
The core of the dashboard revolves around providing actionable, real-time data on usage and costs. The main features include:
- Token Usage Tracking: Monitors tokens sent and received during conversations, including cache hits and processing tokens, giving insights into efficiency and potential savings.
- Cost Breakdown per Model: Details expenses associated with different GPT models (e.g., GPT-5, GPT-4, and their variants), allowing users to understand which models contribute most to their costs.
- Usage Trends Over Time: Visualizes daily token consumption and costs over various periods—1 day, 7 days, 30 days, and 90 days—to identify patterns and spikes.
- High-Expense Chats Ranking: Highlights the most costly interactions, enabling users to pinpoint and optimize resource-intensive conversations.
Purpose and Benefits
The primary motivation behind developing this dashboard is to provide heavy ChatGPT users with a data-driven rationale for their subscription choices. Specifically, it helps users evaluate whether their $20/month ChatGPT Plus subscription remains cost-effective compared to paying directly for API access. This transparency allows for better financial decisions based on actual usage rather than assumptions.
Future Plans and Open-Source Goals
While the dashboard is still under active development, I plan to release the script as open source once it reaches a stable state. This initiative aims to foster a community of users who can benefit from tailored usage insights and even contribute to the project’s ongoing improvement.
Would You Find This Useful?
If managing ChatGPT costs and usage data is a concern for you, I’d love to hear your thoughts. Would tools like this help streamline your AI interactions? Stay tuned for updates on the project’s release and potential enhancements.
Managing AI-powered tools effectively requires not just usage but understanding. Custom solutions like this dashboard are paving the way for smarter, more cost-conscious AI utilization.