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CKappDeveloper tools
1 findingStatic scanned
Covers one-off questions, a comparison of models on the same prompt, spending summaries with CSV export, and daily budgets with alerts. It needs a Cost Katana API key, or your own provider keys if self-hosted.

Cost Katana CLI

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Free

Lets you chat with GPT, Claude and Gemini models from one terminal command and see what you spend.

459 installs/moMIT

Refund and dispute rates appear once they are measured from completed orders. Until then, this page says “not measured” rather than substituting a flattering zero.