> ## 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.

# GPT 4.1

> GPT 4.1 is the latest flagship LLM from OpenAI, offering massive context capacity, improved reasoning and coding, and robust instruction-following for modern AI applications.

### Model Use Cases

Perfect for developers, researchers, and businesses needing complex code generation, long-form content creation, analysis of large documents, and reliable multi-step workflows.

<Card title="Try GPT 4.1 on Siray.ai" icon="sparkles" iconType="regular" href="https://console.siray.ai/model-api" cta="Get Free APIs on Siray.AI" />

### Key Features

* **Massive 1M-token Context Window:** Can process long documents or large codebases in one go.
* **Enhanced Coding Performance:** Scores 54.6% on SWE-bench Verified, much higher than previous GPT-4o.
* **Improved Instruction Following:** Handles complex, multi-step instructions more reliably than previous models.
* **Multimodal & Tool-Friendly:** Supports vision inputs, tool calling, and broad domain knowledge across tasks.
* **Balanced Performance vs Cost:** Offers high performance at lower latency and reduced cost compared with heavier models.

<Card title="Get Started with the API" icon="sparkles" href="https://docs.siray.ai/api-reference/model-api/gpt-4.1" />