ccusage. Claude Code logs detailed usage information to the ~/.claude/ directory. ccusage is a neat little Node.js tool which reads that information and shows you a readable summary of your usage patterns, including the estimated cost in USD per day.
You can run it using npx like this:
npx ccusage@latest
Recent articles
- LLM 0.27, the annotated release notes: GPT-5 and improved tool calling - 11th August 2025
- Qwen3-4B-Thinking: "This is art - pelicans don't ride bikes!" - 10th August 2025
- My Lethal Trifecta talk at the Bay Area AI Security Meetup - 9th August 2025