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Profy offers six billing methods for different types of AI capabilities. Each model is bound to a specific billing unit in the platform’s pricing catalog, and you can see the applicable billing method when selecting a model.

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Six Billing Methods

Billing unit: token_splitUse case: LLM conversational AIHow it works: Input tokens and output tokens are calculated separately, each multiplied by their respective rate, then summed. Different models have different input/output rates.A token is the basic unit that language models use to process text. One Chinese character typically corresponds to 1–2 tokens, while one English word typically corresponds to 1–4 tokens. The longer the conversation and the more context involved, the more tokens are consumed.
You can view the number of tokens and credits consumed after each conversation turn. Choosing a lighter model can significantly reduce consumption.

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Relationship Between Billing Units and Models

Each model in the platform’s pricing catalog is assigned a specific billing unit and corresponding rate. This means:
  • Rates vary among similar models: Even among LLM conversation models, premium and lightweight models have significantly different token rates.
  • Similar capabilities may use different billing methods: For example, text-to-speech is billed per 10K characters, while speech recognition is billed by duration.
You can view the billing method and estimated consumption for any model when making your selection.

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Rate Reference

Specific rates are dynamically configured by the platform based on upstream model costs and vary by model. Please refer to the real-time display in the model selector within the product — exact values are not listed here.

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How to Save Credits

Choose the Right Model

Not every task requires the most powerful model. Use a lightweight model for simple Q&A and switch to a premium model for complex reasoning.

Keep Context Concise

With token billing, longer conversations cost more. Starting a new conversation when appropriate can reduce unnecessary context overhead.

Monitor Consumption

Credits consumed are displayed after each conversation turn, helping you understand the cost of different operations.

Upgrade Your Plan

Paid plans include generous credit bonuses and unlock additional features. See Subscription Plans.