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The Billing page is where you manage your subscription, payment details, and credit balance. Open it under Settings → Billing. For the underlying model — credits, runtime classes, tiers, and the admission gate — see Billing & Credits and Pricing & Tiers.

What you see

The settings pages show:
  • Billing — your plan, payment state, monthly credit grant, remaining or owed credit balance, and billing cycle end.
  • Usage — current-cycle model usage.

Manage your subscription

Paid tiers are Starter (30/mo),Pro(30/mo), Pro (75/mo), and Max ($120/mo); Free is the default. From the Free tier you can upgrade directly to any paid tier:
1

Pick a plan

On the Billing page, choose Upgrade to Starter / Pro / Max. This starts a hosted checkout session.
2

Complete checkout

You’re redirected to the payment provider. After paying, you return to the Billing page, which polls until your new plan is confirmed.
3

Manage or cancel

Once you have a paid plan, Manage billing opens the billing portal to update payment details or cancel. A canceled plan stays active until the end of the current period.
The billing portal becomes available only after your first paid checkout. Plan changes from a paid tier are handled in the portal rather than on the page.

Buy credit packs

Credit packs are one-time top-ups on any tier. Click Buy credits to see the available packs and start checkout for one. The packs are: Pack credits expire 12 months after purchase, and are spent after your monthly grant (earliest expiry first).
Use Buy credits on the Billing page and complete checkout for a pack.

What a task costs

Running a task spends VM-runtime credits at its runtime class’s per-hour rate (Medium is the reference: 1 credit = 6 minutes). Tokens are recorded but never billed. See Billing & Credits for the full breakdown.

When you’re out of credits

Every task start passes through an admission gate before the agent runs. The start is refused when: A start needs at least one minute of spendable credit for the requested runtime class, so a near-zero balance cannot be exhausted on launch. See tasks and lifecycle for where the gate sits in the run.