Usage & cost

FreeCode accumulates usage per turn and records it daily, including prompt-cache reads and writes — the single biggest lever on cost for a long session.

On this page (coming soon)

• /cost — spend and cache hit rate for the current session
• /usage — the daily heatmap
• Reading cache hits: why a high hit rate matters more than model choice
• What invalidates the prompt cache
• Querying usage over IPC