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

# decision-model-preview

> A structured decision model designed for high-frequency business decisions. It performs classification, yes-or-no decisions, and scoring in parallel based on text or business context, returning probability distributions and confidence scores for scenarios such as ticket routing, content moderation, agent routing, and result validation.

## Inference Service Provider <span id="h-dm-provider" />

The inference service provider for `decision-model-preview` is Alibaba Cloud Model Studio.

## Model Capabilities <span id="h-dm-cap" />

<table><thead><tr><th>Capability</th><th>Support</th><th>Capability</th><th>Support</th></tr></thead><tbody><tr><td><p>Input Modality</p></td><td><p><strong>Text</strong></p></td><td><p>Output Modality</p></td><td><p><strong>Text (structured decision result)</strong></p></td></tr><tr><td><p>Model Experience</p></td><td><p>Unsupported</p></td><td><p>Function Calling</p></td><td><p>Unsupported</p></td></tr><tr><td><p>Structured Outputs</p></td><td><p>Unsupported</p></td><td><p>Web Search</p></td><td><p>Unsupported</p></td></tr><tr><td><p>Prefix Completion</p></td><td><p>Unsupported</p></td><td><p>Context Caching</p></td><td><p>Unsupported</p></td></tr><tr><td><p>Batch Inference</p></td><td><p>Unsupported</p></td><td><p>Fine-tuning</p></td><td><p>Unsupported</p></td></tr></tbody></table>

## Context Limits <span id="h-dm-ctx" />

<table><thead><tr><th>Parameter</th><th>Value</th><th>Parameter</th><th>Value</th></tr></thead><tbody><tr><td><p>Max Input Length</p></td><td><p>65,536</p></td><td><p>Max Output Length</p></td><td><p>0</p></td></tr><tr><td><p>Context Window</p></td><td><p>65,536</p></td><td /><td /></tr></tbody></table>

## Pricing <span id="h-dm-price" />

This page only shows the original pricing for model API calls, excluding any limited-time promotions. Visit [Model Studio Console](https://modelstudio.console.alibabacloud.com/ap-southeast-1/model/market) for promotional offers.

<Tabs>
  <Tab title="Singapore">
    <table><thead><tr><th>Billing Item</th><th>Price (USD)</th><th>Unit</th></tr></thead><tbody><tr><td colSpan={3}><p>Limited-time free</p></td></tr></tbody></table>
  </Tab>

  <Tab title="China (Beijing)">
    <table><thead><tr><th>Billing Item</th><th>Price (USD)</th><th>Unit</th></tr></thead><tbody><tr><td colSpan={3}><p>Limited-time free</p></td></tr></tbody></table>
  </Tab>
</Tabs>

## Rate Limits <span id="h-dm-rl" />

<Tabs>
  <Tab title="Singapore">
    <table><thead><tr><th>Parameter</th><th>Value</th></tr></thead><tbody><tr><td><p>RPM (Requests Per Minute)</p></td><td><p>1,200</p></td></tr><tr><td><p>TPM (Tokens Per Minute)</p></td><td><p>2,000,000</p></td></tr></tbody></table>
  </Tab>

  <Tab title="China (Beijing)">
    <table><thead><tr><th>Parameter</th><th>Value</th></tr></thead><tbody><tr><td><p>RPM (Requests Per Minute)</p></td><td><p>1,200</p></td></tr><tr><td><p>TPM (Tokens Per Minute)</p></td><td><p>2,000,000</p></td></tr></tbody></table>
  </Tab>
</Tabs>

## Calling Method <span id="h-dm-call" />

For the calling protocol, request/response parameters, and code examples, see [Decision Model API](/en/model-studio/decision-model-api).