Usage shows what you have and what you used. Open your account menu in the sidebar and choose Usage. The top line is the same on every tab:
What it shows
PlanYour plan and when it is billed next
BalanceAll your credits: monthly and extra
Monthly credits leftHow much of this period’s credits remain
Buy credits and Manage plan open the credits and the plans. Below are three tabs, each for the last 7, 30 or 90 days.

All

Everything at a glance: the credits you spent, this month so far and where that pace would take you, and your apps’ traffic against your plan.
Usage, All tab, with credits by day, by type and the cloud pool, light themeUsage, All tab, with credits by day, by type and the cloud pool, dark theme
  • Credits by day stacks each day’s spending by kind: agent, video, slides, photoshoots, speech and the rest.
  • By type lists where your credits went, most first. Agent tokens opens the Agent tab.
  • Cloud sums up your apps’ share of the plan. By app opens the Cloud tab.

Agent

What the agent itself used, in tokens: the text it read and wrote in your chats.
Usage, Agent tab, with tokens by day, by type and by chat, light themeUsage, Agent tab, with tokens by day, by type and by chat, dark theme
Token typeWhat it is
Cache readContext reused from earlier in a chat, the cheapest
InputNew text the agent read
Cache writeContext saved for reuse
OutputWhat the agent wrote
Images and video are priced per generation, so they count in credits, not tokens. By chat lists your chats by credits or tokens; click one to open it.

Cloud

What your apps used of your plan’s cloud. All your apps share one pool.
Usage, Cloud tab, with the plan's pool, bandwidth by day and the apps, light themeUsage, Cloud tab, with the plan's pool, bandwidth by day and the apps, dark theme
Your plan’s pool shows each limit and how much is used:
LimitWhat it counts
Bandwidth this month, Requests this monthTraffic to all your apps in this billing period
CPU set aside, Memory set asideWhat your apps reserve while they run
App diskDisk given to your apps
DatabaseSpace for your apps’ databases
File storageFiles your apps store
Emails todayEmails your apps sent today; it resets at midnight UTC
Below, the chart shows bandwidth, requests, CPU or memory over the last 24 hours, 7 or 30 days, and By app splits it between your apps.

One app

Click an app, or pick it in the menu at the top, to see its own use: traffic, CPU, memory and disk, its chart, and the services it uses, such as its database, email and files. Open app opens it.
Usage of one app with its metrics, chart and services, light themeUsage of one app with its metrics, chart and services, dark theme
See Apps for running and managing your apps.