The first time my AI bill scared me into building TokenBar

📰 Dev.to AI

Learn how to build a tool to track AI costs in real-time and avoid unexpected bills

intermediate Published 15 Apr 2026
Action Steps
  1. Build a macOS menu bar app to track LLM spend
  2. Configure the app to display real-time costs
  3. Integrate the app with your AI workflow
  4. Test the app with different conversation and prompt scenarios
  5. Apply the insights to optimize AI cost management
Who Needs to Know This

Solo devs and small teams can benefit from this tool to monitor and manage AI expenses, ensuring cost transparency and control

Key Insight

💡 Real-time cost tracking can help avoid unexpected AI bills and optimize cost management

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🚨 Unexpected AI bills? 🤖 Build TokenBar to track LLM spend in real-time! 💸
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