> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mixus.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Billing & Pricing

> Understanding billing, pricing, and payment for mixus

Complete guide to mixus pricing, billing cycles, and payment options.

## Pricing Overview

mixus uses a transparent, usage-based pricing model with clear rates for each AI model and feature.

### Current Pricing (USD)

**GPT-4o**

* Input: \$0.0025 per 1,000 tokens
* Output: \$0.01 per 1,000 tokens

**GPT-4o mini**

* Input: \$0.00015 per 1,000 tokens
* Output: \$0.0006 per 1,000 tokens

**Claude 3.5 Sonnet**

* Input: \$0.003 per 1,000 tokens
* Output: \$0.015 per 1,000 tokens

**o1-preview**

* Input: \$0.015 per 1,000 tokens
* Output: \$0.06 per 1,000 tokens
* Reasoning: \$0.015 per 1,000 reasoning tokens

**Gemini 1.5 Pro**

* Input: \$0.00125 per 1,000 tokens
* Output: \$0.005 per 1,000 tokens

## Subscription Plans

### Free Plan

**\$0/month**

* 1,000 tokens included
* Access to GPT-4o mini
* Basic web search
* Documentation and guides
* 5 file uploads per month

**Perfect for:**

* Personal experimentation
* Learning AI tools
* Small projects

### Pro Plan

**\$20/month**

* 100,000 tokens included
* Access to all models
* Unlimited file uploads
* Advanced AI tools
* Priority support
* Memory system access

**Perfect for:**

* Professional use
* Content creation
* Research and analysis
* Small business automation

### Team Plan

**\$50/month**

* 500,000 tokens included
* Everything in Pro
* Team collaboration features
* Shared workspaces
* User management
* Team analytics
* SSO integration

**Perfect for:**

* Small to medium teams
* Collaborative projects
* Department-level usage
* Shared knowledge bases

### Enterprise

**Custom pricing**

* Unlimited tokens
* Everything in Team
* Custom integrations
* Dedicated support
* SLA guarantees
* Custom deployment
* Advanced security features

**Perfect for:**

* Large organizations
* Mission-critical applications
* Custom requirements
* High-volume usage

## Billing Details

### Billing Cycle

**Monthly Billing:**

* Billing period: 1st to last day of month
* Invoice generation: 1st of following month
* Payment due: 15 days after invoice date
* Usage tracking: Real-time throughout month

**Annual Billing:**

* 20% discount on all plans
* Paid annually in advance
* Same monthly token allocations
* Priority support included

### Token Allocation

**Included Tokens:**

* Reset at the start of each billing period
* Cannot be carried over to next month
* Shared across team members (Team/Enterprise plans)

**Overage Billing:**

* Additional tokens billed at standard rates
* Real-time tracking with alerts
* Automatic billing at month-end
* No service interruption

### Example Billing Calculation

**Pro Plan User - March Usage:**

````text theme={null}
Base subscription: $20.00
Included tokens: 100,000 tokens

Actual usage: 150,000 tokens
Overage: 50,000 tokens

Model breakdown:
├── GPT-4o: 30,000 tokens overage
│   ├── Input: 12,000 × $0.0025 = $0.030
│   └── Output: 18,000 × $0.01 = $0.180
├── Claude 3.5: 20,000 tokens overage  
│   ├── Input: 8,000 × $0.003 = $0.024
│   └── Output: 12,000 × $0.015 = $0.180

Total overage: $0.414
March total: $20.414
```text

## Payment Methods

### Accepted Payment Types

**Credit/Debit Cards:**
- Visa, MasterCard, American Express
- Automatic monthly charging
- International cards accepted
- Secure PCI-compliant processing

**Bank Transfers (Enterprise):**
- ACH transfers (US)
- SEPA transfers (EU)
- Wire transfers (International)
- Net 30 payment terms available

**Digital Wallets:**
- PayPal
- Apple Pay
- Google Pay

### Payment Security

**Security Features:**
- PCI DSS Level 1 compliance
- 256-bit SSL encryption
- Fraud detection systems
- No stored payment data

**Failed Payment Handling:**
- Automatic retry after 3 days
- Email notifications
- 7-day grace period
- Service suspension warning

## Invoice Management

### Invoice Details

Each invoice includes:
- Subscription base cost
- Token usage breakdown by model
- Feature-specific charges
- Tax calculations
- Payment terms
- Detailed usage analytics

### Tax Handling

**Automatic Tax Calculation:**
- US sales tax (where applicable)
- EU VAT (with valid VAT ID)
- GST for applicable regions
- Tax-exempt organizations supported

**Tax Documentation:**
- W-9 forms for US businesses
- VAT certificates for EU
- Tax ID verification
- Custom invoicing for enterprises

### Invoice History

Access past invoices:
- Download PDF copies
- Export usage data
- View payment history
- Track refunds and credits

## Credits and Refunds

### Promotional Credits

**New User Credits:**
- $5 welcome credit
- Additional tokens for first month
- Referral program bonuses

**Enterprise Credits:**
- Volume discounts
- Annual payment bonuses
- Migration assistance credits

### Refund Policy

**Refund Eligibility:**
- Unused subscription portions
- Service downtime compensation
- Billing errors correction
- Cancellation within 30 days

**Processing Time:**
- Credit card refunds: 5-7 business days
- Bank transfer refunds: 10-15 business days
- PayPal refunds: 3-5 business days

## Budget Management

### Spending Controls

**Budget Alerts:**
```text
🟡 75% of budget reached
🟠 90% of budget reached  
🔴 100% of budget reached
🚫 Service suspension at 110%
```text

**Spending Limits:**
- Set monthly spending caps
- Automatic service pause
- Emergency override options
- Team-level budgets

### Cost Optimization

**Automatic Recommendations:**
- Model switching suggestions
- Usage pattern analysis
- Batch processing opportunities
- Cost-saving tips

**Budget Planning:**
- Historical usage analysis
- Future consumption forecasting
- Seasonal adjustment suggestions
- Team growth planning

## Enterprise Billing

### Volume Discounts

**Usage Tiers:**
```text
Tier 1: 0-1M tokens/month (standard rates)
Tier 2: 1M-10M tokens/month (10% discount)
Tier 3: 10M-100M tokens/month (20% discount)
Tier 4: 100M+ tokens/month (custom pricing)
```text

### Custom Billing

**Enterprise Features:**
- Custom payment terms (Net 30/60/90)
- Purchase order processing
- Multi-entity billing
- Department cost allocation
- Custom invoicing formats

### Contract Options

**Annual Agreements:**
- Guaranteed pricing for 12 months
- Volume commitment discounts
- Custom SLA terms
- Dedicated account management

## International Billing

### Currency Support

**Supported Currencies:**
- USD (US Dollar) - Primary
- EUR (Euro)
- GBP (British Pound)
- CAD (Canadian Dollar)
- AUD (Australian Dollar)
- JPY (Japanese Yen)

**Exchange Rates:**
- Updated daily
- Bank mid-market rates
- No hidden fees
- Transparent conversions

### Regional Compliance

**Data Residency:**
- EU billing data in EU
- US billing data in US
- Regional tax compliance
- Local payment methods

## Billing Support

### Common Questions

**1. Why is my bill higher than expected?**
- Check token usage dashboard
- Review model distribution
- Verify overage calculations
- Contact support for analysis

**2. How do I change my payment method?**
- Access billing settings
- Add new payment method
- Set as primary method
- Remove old methods

**3. Can I get a refund for unused tokens?**
- Tokens don't roll over
- Subscriptions are non-refundable
- Service issues may qualify
- Contact support for review

### Support Channels

**Billing Support:**
- Email: support@mixus.com
- Live chat: Business hours
- Phone: Enterprise customers
- Self-service portal

**Response Times:**
- General billing: 24 hours
- Payment issues: 4 hours
- Enterprise: 2 hours
- Critical issues: 1 hour

## Getting Started

### Setting Up Billing

1. **Create Account**: Sign up for mixus
2. **Choose Plan**: Select appropriate subscription
3. **Add Payment**: Secure payment method
4. **Set Budgets**: Configure spending alerts
5. **Start Using**: Begin with included tokens

### Upgrading Plans

**Self-Service Upgrades:**
- Instant plan upgrades
- Prorated billing adjustments
- Immediate feature access
- Usage history preserved

**Downgrading Plans:**
- Effective next billing cycle
- Current period fully honored
- Data and settings preserved
- Support team assistance

## Next Steps

- [Track your usage](/tokens/tracking)
- [Understand rate limits](/limits/rate-limits)
- [Contact billing support](/support/contact)

## Related Resources

- [How Tokens Work](/tokens/how-it-works)
- [Account Management](/account/overview)
- [Team Management](/organization/overview) 
````