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API calls require at least 0.50∗∗inbalance.Startingatrainingrunrequiresatleast∗∗0.50** in balance. Starting a training run requires at least **5.00 in balance.

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How billing works

Spectra deducts credits for inference activity and for fine-tuning runs. The Billing page shows your current balance, recent usage, invoices, and your current private-model allowance.

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Paying for Spectra

  • Top up credits with a one-time Stripe checkout payment from 5to5 to 500
  • Subscribe to a monthly plan if you want recurring credits and a higher private-model allowance
  • Open Stripe portal to update payment methods, switch plans, or cancel a subscription
Subscriptions renew automatically until you change or cancel them in the Stripe portal.

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Private model limits

Current limits in the product are:
  • Standard account: up to 3 private models
  • Starter: up to 10 private models
  • Pro: up to 50 private models
The Billing usage panel shows the stored-model count for your current account tier.

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Invoices and payment history

Past payments appear in the invoice table. You can download invoice PDFs from the Billing page, and the Stripe portal provides the full payment-management flow.