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VoidAI uses a credit-based billing system. You spend credits when making API requests, and the cost depends on the model and tokens used.

How Credits Work

For most models (chat, completions):
For fixed-cost models (images, audio, video):

Model Multipliers

Different models have different multipliers based on their capabilities and costs:

Chat Models

Fixed Cost Models

Example Calculation

If you send a request using gpt-5.1 (multiplier: 0.75) with:
  • Input tokens: 1,000
  • Output tokens: 500
  • Total tokens: 1,500
Credits charged: 1,500 × 0.75 = 1,125 credits

Plans

Different plans have access to different models:

Checking Your Balance

Your current credit balance is available in your dashboard.

Discounts

VoidAI offers personalized daily discounts on select models. When you have an active discount:
For example, with a 2x discount on a model:
  • Normal cost: 1,000 credits
  • Discounted cost: 500 credits
Check your active discounts via the My Discounts endpoint.

Rate Limiting

In addition to credits, there’s a rate limit of 100 requests per minute per API key. If exceeded, you’ll receive a 429 Too Many Requests error.

Tips to Optimize Costs

Choose the right model

Use smaller models (gpt-4o-mini, deepseek-v3) for simple tasks. Save premium models for complex work.

Use discounts

Check your daily discounts and time high-volume work accordingly.

Cache responses

Cache responses for repeated identical queries to avoid duplicate costs.

Optimize prompts

Shorter prompts = fewer input tokens = lower costs.