CodeBurn
See where your AI coding spend actually goes
A free, local, MIT-licensed tool that tracks AI coding token usage and cost across 40+ tools and agents including Claude Code, Cursor, Codex, Gemini and Copilot. Reads the session files those tools already write to your machine — no API keys, no account, no upload — and breaks spend down by task, model, tool, project and pull request. An Optimize view flags waste patterns such as cache bloat and retry overhead.
What is CodeBurn?
CodeBurn is a free, local, MIT-licensed tool that tracks AI coding token usage and cost across 40+ tools and agents by reading the session files those tools already write to your machine.
Key features
- Tracks Claude Code, Cursor, Codex, Gemini, Copilot, and 40+ other tools
- No API keys, no account, no upload — fully local processing
- Breaks spend down by task, model, tool, project, and pull request
- Correlates cost with shipped code via git commits
- Optimize view flags waste patterns like cache bloat and retry overhead
- Ships as CLI (npx codeburn), desktop apps, menu bar app, web dashboard, and GNOME extension
Who it's for
- Teams that want to see where their AI coding spend actually goes
- Developers debugging cache bloat or retry overhead in their agent workflows
- Anyone who wants cost visibility without sending data to a third party
When not to use it
Not useful if agents run entirely in CI with no local session files — that's where CodeBurn's data comes from.
FAQ
Does CodeBurn upload any data?
No — it reads local session files and processes everything on-device; no API keys or account are required.
What does the Optimize view do?
It flags waste patterns such as cache bloat and retry overhead, with built-in fixes and savings tracking.
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