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Credits

Credits power the coding agent (build) and published-app hosting & database (runtime).

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Grants

Face value: 1 credit ≈ $0.25 of charged usage. Daily free credits appear on Plans & credit usage as remaining today (e.g. “5 left · Resets at midnight UTC”), similar to other modern builders.

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How charging works

  • Build (agent): metered at Claude Sonnet list prices × 1.6, regardless of the model you pick (default agent: DeepSeek Pro).
  • Runtime (hosting / DB): provider cost × 1.6, spent from the runtime grant first. Free hard-pauses when runtime is gone; Pro can continue from build credits / top-ups.
Per-message costs are not shown in chat — check your balance in the workspace menu or on /billing.

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Running out

When build credits hit zero:
  • A nudge appears above the chat input
  • Sending pauses until you upgrade or buy credits (Pro)
  • Projects and code remain
When Free runtime credits hit zero, published apps pause until the next grant or you upgrade.

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Usage

Open Usage details (/billing/usage) for the last 30 days:
  • Build — agent spend
  • Run — hosting + database
  • Breakdown by project
See Usage.

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Tips

  • Prefer precise prompts over “rebuild everything”
  • Use Plan mode when exploring large changes
  • Fix Preview errors with targeted asks