> ## 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 5

> OpenAI's GPT-5 is the premier Reasoning LLM optimized for deep, step-by-step thinking, complex multi-step planning, advanced coding, and superior enterprise logic.

### Model Use Cases

GPT-5 is OpenAI's latest multimodal foundation model supporting text, images, and speech. Offers longer context windows and stronger reasoning to handle complex instructions. Introduces dynamic compute allocation, dedicating more resources to complex problems. Suitable for deep analysis, creative content, and tool-integrated applications.

<Card title="Try GPT 5 on Siray.ai" icon="sparkles" iconType="regular" href="https://console.siray.ai/model-api" cta="Get Free APIs on Siray.AI" />

### Key Features

* **True Multimodal Fusion:** Native processing of text, images, audio without modality-specific encoders
* **Massive 1M+ Context:** Enables analysis of entire books, large codebases, comprehensive datasets
* **Dynamic Compute Allocation:** Automatically dedicates 10–100× resources optimizing quality-speed tradeoff
* **Benchmark Leadership:** State-of-the-art: MMLU (96.5%), HumanEval (92.1%), complex reasoning tasks

<Card title="Get Started with the API" icon="sparkles" href="https://docs.siray.ai/api-reference/model-api/gpt-5" />