> ## 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.

# cosyvoice-v3.5-plus

> A high-expressiveness speech synthesis model in the CosyVoice series with enhanced voice cloning and design capabilities. Supports free-style instruction control while maintaining speaker similarity, offering rich synthesis styles. Reduces first-syllable latency, improves pronunciation accuracy, and enhances prosody and sound quality. Enables ultra-natural multilingual (Chinese, English, German, French, Russian, Japanese, Korean, Portuguese, Thai, Indonesian, Vietnamese) real-time speech synthesis.

## Inference Service Provider <span id="h-490b2834e6" />

The inference service provider for `cosyvoice-v3.5-plus` is Alibaba Cloud Model Studio.

## Model Capabilities <span id="h-77230e94b5" />

<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>Audio</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-01b911f555" />

<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>—</p></td><td><p>Max Output Length</p></td><td><p>—</p></td></tr><tr><td><p>Context Window</p></td><td><p>—</p></td><td><p /></td><td><p /></td></tr></tbody></table>

## Pricing <span id="h-737956cb9b" />

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="China (Beijing)">
    <table><thead><tr><th>Billing Item</th><th>Price (USD)</th><th>Unit</th></tr></thead><tbody><tr><td><p>TTS</p></td><td><p>0.22</p></td><td><p>Per 10,000 characters</p></td></tr></tbody></table>
  </Tab>
</Tabs>

## Rate Limits <span id="h-c30b065b7d" />

<Tabs>
  <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>180</p></td></tr></tbody></table>
  </Tab>
</Tabs>