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Orbitrage bills on pre-paid credits. You’re charged per call for the open-weight models we serve; frontier models are BYOK and cost $0 against your credits because your own provider bills you directly.

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Plans

Free

$5 of credits to start. Up to 3 projects and 100 nodes per workflow. No card required.

Pro

99/month∗∗,including∗∗99 / month**, including **99 of credits per month and higher limits. Upgrade from the Billing page.
When a Pro plan lapses, the organization reverts to free-tier limits until renewed.

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Credits & metering

Each call records a cost_usd — the upstream provider price plus a small platform infra fee (currently 2.5%). That amount is debited from your organization’s balance. The Billing page shows:
  • Credits — total available.
  • Spent — cumulative usage.
  • Remaining — credits minus spent.

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What credits do and don’t cover

Both rules apply within a single turn. A BYOK turn that invoked two managed tools is billed exactly the price of those two tool calls and nothing for the LLM tokens.
When credits run out on the free tier, calls return HTTP 402 until you top up — so a runaway loop can’t quietly drain you past your balance.

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Topping up

Buy credits from the Billing page (presets 10/10 / 25 / 50/50 / 100, or a custom amount). Payments are processed by Razorpay; credits reflect within about 30 seconds of a successful payment.
Crediting happens server-side from a signed payment webhook, so your balance updates reliably even if you close the checkout window.

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Seeing where spend goes

Use the Cost insights (in Overview and per workflow) or Ask Analytics to break spend down by model, provider, workflow, and end-user — and to see how much routing saved you versus a frontier baseline. Set a cost alert to get notified before a spike becomes a surprise.