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

# Claude Sonnet 4.5

> Claude Sonnet 4.5 is a developer-focused AI model offering precise reasoning, clean code output, and excellent instruction following.

### Model Use Cases

Perfect for API integrations, developer tools, debugging assistants, SaaS features, and AI-powered coding products.

<Card title="Try Claude Sonnet 4.5 on Siray.ai" icon="sparkles" iconType="regular" href="https://console.siray.ai/model-api" cta="Get Free APIs on Siray.AI" />

### Key Features

* **Instruction Precision:** Follows complex prompts with minimal retries.
* **Clean Code Output:** Produces readable, maintainable code.
* **Tool-Friendly:** Works well with function calling and workflows.
* **Scalable Performance:** Suitable for growing developer products.

<Card title="Get Started with the API" icon="sparkles" href="https://docs.siray.ai/api-reference/model-api/claude-sonnet-4.5" />