# Cost per answer Every reply carries its own cost line, right under the answer: input tokens, cached tokens, output tokens, and the price. The figures update while the answer streams. The line under a reply Answer **Input tokens** **Cached tokens** **Output tokens** **Price** **Cached tokens** Cached input is cheaper than fresh input. Long threads benefit from that automatically. ## The full ledger The line under a reply covers that one answer. Usage holds the full ledger, per chat, per model and per day. The same entries, grouped three ways **Per chat** **Per model** **Per day**