Enterprise Technical Service Pricing
Service Positioning
LaoZhang API provides enterprise-grade AI technical API integration services for enterprises and developers:- Service Nature: Information technology service / API integration service
- Target Customers: Enterprise users, development teams, technical departments
- Billing Method: Token/per-call billing, pay-as-you-go, no monthly fees
Transparent Pricing
Most model prices are transparent and public, consumption fully trackable
Complete Models, Fast Updates
Whenever manufacturers release new models, LaoZhang API is always quick to update
Enterprise Services
Top-up Plans
- Standard
- Enterprise
| Top-up Amount | Bonus | Actual Credit | Effective Discount |
|---|---|---|---|
| $5 | - | $5 | Trial tier |
| $20 | - | $20 | Regular use |
| $50 | +5% | $52.5 | 5% bonus |
| $100 | +10% | $110 | 10% bonus |
| $500 | +15% | $575 | 15% bonus |
Cost Estimation Reference
Common Scenario Cost Reference
API Call Scenario Costs:Daily Conversation (GPT-4.1-mini)
- 1000 conversations ≈ $1
- 30 times per day ≈ $1 per month
- Process 100,000 words ≈ $5
- Document processing ≈ $0.5
- Generate 10,000 lines of code ≈ $3
- Cursor daily use ≈ $0.5
- Generate 100 images ≈ $1
- Only $0.01 per image
Usage Monitoring & Management
Console Features
- Usage Monitoring
- Key Management
- Cost Optimization
Real-time Dashboard
- Daily, weekly, monthly statistics
- Model usage distribution
- Detailed cost queries
- Quota warning settings
Billing Modes
LaoZhang API supports two billing modes. When a model supports both modes simultaneously:API Key Settings Impact
Token-based Only
If token is set to “token-based only”, even if the model supports per-call billing, it will use token-based billing
Default Settings
Tokens support all billing modes by default, system auto-selects (per-call priority)
Per-call Billing Scenarios
The following types of models typically use per-call billing:- Image Generation
- Video Generation
- Special Models
Applicable Models:
- sora_image series
- flux-kontext-pro
- DALL-E series
View complete model price list: LaoZhang API Pricing
Token Billing Explanation
What are Tokens?
Understanding Tokens Quickly
Tokens are AI’s “vocabulary units”, the basic unit for billing.Simple Memory:
- 1 Chinese character ≈ 2 tokens
- 1 English word ≈ 1 token
- 500 Chinese characters ≈ 1000 tokens
- “Hello World” = 2 tokens
- A typical article (2000 words) ≈ 3000 tokens
Consumption Examples
| Use Case | Input Tokens | Output Tokens | Total | Cost (gpt-4.1-mini) |
|---|---|---|---|---|
| Simple Q&A | 20 | 50 | 70 | $0.00004 |
| Article generation | 100 | 2000 | 2100 | $0.0013 |
| Code debugging | 500 | 300 | 800 | $0.00027 |
| Long text translation | 5000 | 5000 | 10000 | $0.0035 |
Prompts and Completions
In each API call, costs consist of two parts:Prompt - Input Tokens
All content you send to the model, including:
- System prompts
- User questions
- Context information
- Chat history (if any)
Model Price Reference
Popular Models Pricing
- Best Value TOP5
- Coding Specific
- Image Generation
| Model | Input Price | Output Price | Features | Use Cases |
|---|---|---|---|---|
| gpt-4.1-mini | $0.15/1M | $0.6/1M | Ultra-fast | Daily conversation |
| deepseek-v3 | $0.27/1M | $1.1/1M | Chinese model | General tasks |
| gemini-2.5-flash | $0.15/1M | $0.6/1M | Multimodal | Image-text |
| claude-3-haiku | $0.25/1M | $1.25/1M | Reliable | Text processing |
| qwen-max | $0.5/1M | $2/1M | Chinese optimized | Chinese tasks |
Cost Estimation Method
Practical Recommendations
- Test with cheaper models first to verify feasibility
- Analyze actual consumption through backend logs
- Choose appropriate models based on task complexity
- Optimize prompts to reduce unnecessary token consumption
Real-time Price Query
Model Price List
View real-time prices for all models
- Token-based billing prices
- Per-call billing prices
- Discount comparisons
Cost Calculator (In Development)
Quickly estimate usage costs
- Enter estimated usage
- Select models to use
- Auto-calculate costs
FAQ
How to check real-time prices?
How to check real-time prices?
Log in to LaoZhang API Console, you can view real-time prices for all models on the model list page.
How long for top-up to arrive?
How long for top-up to arrive?
Top-up arrives instantly, available immediately after successful payment.
Do you support invoices?
Do you support invoices?
Yes, we support issuing official invoices. Please submit an invoice application in the console.
Are there bulk purchase discounts?
Are there bulk purchase discounts?
Enterprise large top-ups can enjoy more discounts. Please contact customer service for consultation.
Enterprise Services & Invoicing
Service Nature
- Service Type: Information technology service / Technical service
- Invoice Category: Information technology service fee or Data collection fee
- Target Customers: Enterprise users, development teams, technical departments
Invoice Process
After customer online top-up or corporate transfer is successful, invoices are issued based on the actual payment amount (all prices include tax). Customers need to provide detailed invoice information: enterprise or university name, tax ID, etc.Submit Invoice Information
Website backend top navigation - Invoice, self-service invoice form submissionSubmit Invoice Application →
Invoice Type
- VAT general invoices available (special invoice tax rate needs separate discussion)
- Invoice category: Information Technology Service Fee or Data Collection Fee
- Can cooperate to issue: Purchase list with company seal
This service issues invoices under the nature of technical services, meeting enterprise financial and technical procurement requirements.
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