Stop Guessing Your API Costs: Track LLM Tokens in Real Time

This article discusses the problem of not being able to track LLM token usage in real-time, leading to unexpected API costs. It introduces TokenBar, a macOS app that provides real-time token usage monitoring across LLM providers.

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The article highlights the challenge of not knowing your LLM token usage until the invoice arrives, which can lead to unexpected costs. It introduces TokenBar, a macOS app that sits in the menu bar and provides real-time token usage tracking across LLM providers like GPT-4 and Claude Haiku. This visibility allows developers to write tighter prompts, be more intentional about model selection, and have better budget conversations. The author argues that the AI tooling ecosystem is maturing, but developer experience is still catching up, and investing in proper token monitoring can save you multiples of the cost.