Billing Explained Live

Subscription plans, quota management, and the Lubei credit economy.

4 tiersSubscription plansFree → Enterprise

3 optionsPayment methodsStripe / Creem / Epay

Up to 5%Top-up rebateFirst 6 renewals

7 daysRefund windowFull refund on first subscription

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Subscriptions

Subscription Plan Comparison

From free trial to enterprise SLA — choose by your usage scale.

Plan	API Calls	Available Models	Lucrum	Support / Other
Free	100/day	Basic (deepseek-chat, gpt-3.5-turbo)	AI assistant 10 conversations/day	Community support
Basic	Entry-level monthly subscription; see the console for pricing	—	—	For individual developers getting started
Pro (monthly/annual, annual gets a discount)	10,000/month	All	Unlimited AI assistant; up to 3 strategy deployments	Email tickets (24h response)
Enterprise (custom)	On demand	All + private deployment	Unlimited team members	SLA 99.9%; dedicated account manager + instant response; data center of your choice

Enterprise Plan

Need private deployment, a specific data center, or SLA 99.9%? Contact business@lurus.cn.

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Quota

Quota Management

Each call is converted to quota by model and token usage; once the limit is exceeded, billing automatically switches to Lubei.

Quota Calculation

The quota consumed by each API call depends on the model and token usage:

Model Type	Quota Consumption Rule
Basic models (deepseek-chat, etc.)	1 call = 1 quota
Advanced models (gpt-4o, etc.)	1 call = 3 quota
Image / video generation	5–20 quota depending on task complexity

Handling Quota Overruns

1. A request comes in; the subscription quota is checked first.
2. Quota is sufficient → processed normally.
3. Quota is insufficient → check the Lubei balance: if the balance is sufficient, it is automatically charged and processed normally.
4. Balance is insufficient → returns a 402 error.

Getting a 402 / insufficient_quota? See the troubleshooting steps at Troubleshooting · Insufficient Quota / Balance.

It Won’t Fail Silently

When your balance runs low, you get advance warning via email plus an in-app message, so service is never interrupted without your knowledge.

Quota Alerts

Alert Threshold	Notification Method
30% remaining	In-app message
10% remaining	In-app message + email
Quota exhausted	In-app message + email + WebSocket push

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Lubei

The Lubei Economy

A unified credit currency, exchangeable for tokens and call counts at a fixed ratio.

Lubei Value

The baseline value of 1 Lubei (LB):

Resource	1 LB Exchanges For
Tokens (basic models)	~10,000 tokens
Tokens (advanced models)	~3,000 tokens
API calls	~5–10 calls (depending on the model)

Top-up Ratios

Top-up Amount (CNY)	Lubei Received	Unit Price
¥10	10 LB	¥1.00/LB
¥50	55 LB	¥0.91/LB
¥100	115 LB	¥0.87/LB
¥500	600 LB	¥0.83/LB

The more you top up, the lower the unit price.

Stacking VIP Discounts

VIP discounts apply automatically when spending Lubei.

Example: Gold Card 10% Off

A Gold Card user calling gpt-4o (3 LB/call) is actually charged = 3 × 0.9 = 2.7 LB/call.

Lubei Validity

Purchased Lubei never expires; promotional gifts follow the terms of their respective promotions; refunds cover only the cash-paid portion, and gifted Lubei is non-refundable.

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Billing

Bills & Invoices

• View bills (identity.lurus.cn/wallet): monthly spending summary, transaction details, Lubei income/expenses, quota usage statistics.
• Issue invoices (general and special VAT invoices supported): "Bills" → "Request Invoice" → fill in the invoice details (auto-filled after the first save) → select the amount and month. Electronic invoices are usually emailed within 1 business day.

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Refunds

Refund Policy

Type	Policy
Subscription refund	Full refund within 7 days of the first subscription
Lubei top-up refund	Unused Lubei can be refunded (gifted portion deducted)
Already-consumed portion	Not refundable

For refunds, contact support@lurus.cn.

Next Steps

Platform OverviewFAQGet an API Key