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Open SourceTooling 1 Sep 2026 GitHub

token-economist: Planning Tool to Estimate AI Feature Costs and Find Prompt Savings

The brief

token-economist is an open-source planning tool for estimating LLM feature costs, identifying prompt savings opportunities, and checking whether a cheaper model is viable for a given task.

Key points

  1. It targets AI product teams managing model spend across multiple features and providers.
  2. The tool outputs cost breakdowns and model substitution recommendations.
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