cost

pnpm dlx @smplcty/ralph cost <logfile>
# or
npx @smplcty/ralph cost --all

Calculate and display token usage and estimated cost from ralph log files stored in .ralph-logs/.

Modes

Usage	Description
ralph cost <logfile>	Single log file
ralph cost --task T-NNN	All logs for a specific task
ralph cost --all	All logs, grouped by task
ralph cost --total	Grand total only
ralph cost --update-tasks	Write cost into each DONE task

Output

Tabular display with columns:

Column	Description
Input tokens	Tokens sent to the model
Cache Write	Tokens written to prompt cache
Cache Read	Tokens read from prompt cache
Output tokens	Tokens generated by the model
Cost	Estimated dollar cost