Caliper AI is an open-source CLI tool that reads local logs from AI coding tools like Codex and Claude Code, calculates usage costs at API rates, and attributes them by project, PR, and model. It works offline and requires no account, helping developers monitor and manage AI coding expenses.
caliper-ai sits in PulseGate's LLM eval & observability category. It focuses on tracking and attributing AI coding costs and usage across projects and models without uploading data or requiring an account. It is built as an open-source project for developers using AI coding tools. caliper-ai is open source under the MIT license. caliper-ai is available on the command line.
It is developed by rajdeepmondaldotcom, and it first shipped in 2026. The project is developed in the open on GitHub with 246 commits in the last 90 days. Among its 7 catalogued features are local log analysis, AI usage attribution, and cost calculation.
Summary written by a language model from the project’s public pages.
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