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

# GravitexAI - Enterprise AI Model API Gateway

> Enterprise-grade AI model API gateway supporting 200+ popular AI models

## Welcome to GravitexAI

**GravitexAI** is an enterprise-grade AI model API gateway based on the unified OpenAI API standard, supporting 200+ popular AI models. One token to access OpenAI, Claude, Gemini, DeepSeek, Qwen, Kimi, GLM and all mainstream large language models.

## 📖 Getting Started

<Columns cols={2}>
  <Card title="Quick Start" icon="rocket" href="/en/quickstart">
    Get started in three simple steps
  </Card>

  <Card title="API Reference" icon="book" href="/en/api-reference/index">
    Complete API documentation and developer guide
  </Card>
</Columns>

## 🔧 Core APIs

<Columns cols={2}>
  <Card title="Chat Completions API" icon="comments" href="/en/api-reference/endpoint/chat-openai">
    Create multi-turn conversations and text generation
  </Card>

  <Card title="Image Generation API" icon="image" href="/en/api-reference/endpoint/image-generation">
    Text-to-image, image-to-image, context-aware generation
  </Card>

  <Card title="Models API" icon="list" href="/en/api-reference/endpoint/list-models">
    Get all available model information
  </Card>
</Columns>

## 💡 Supported Models

GravitexAI ships with **100+** mainstream models — one API key reaches **Anthropic · OpenAI · Google · Qwen · BytePlus · DeepSeek · GLM · MiniMax · Moonshot Kimi**, the top 9 providers in the industry.

### ⭐ Latest Releases

<CardGroup cols={3}>
  <Card title="Claude Fable 5" icon="brain" iconType="solid">
    Anthropic's Mythos-class flagship for complex reasoning and long-horizon agent tasks
  </Card>

  <Card title="Qwen3.7-Plus" icon="sparkles" iconType="solid">
    Alibaba's latest multimodal agent model for GUI automation, visual coding, and complex workflows
  </Card>

  <Card title="Claude Opus 4.8" icon="brain" iconType="solid">
    Upgraded Opus line with stronger coding, agent workflows, and professional task performance
  </Card>
</CardGroup>

### Model Matrix

| Vendor                  | Representative models                                                |
| ----------------------- | -------------------------------------------------------------------- |
| 🎭 **Anthropic Claude** | Claude Fable 5 ⭐ / Opus 4.8 / Opus 4.7 / Sonnet 4.6 / Haiku 4.5      |
| 🤖 **OpenAI**           | GPT-5.5 ⭐ / GPT-5.4 family (5.4 / Pro / Mini / Nano) / GPT-Image-2   |
| 🌟 **Google Gemini**    | Gemini 3.5 Flash ⭐ / 3.1 Pro Preview / Flash Lite / Flash Image      |
| 🐉 **Alibaba Qwen**     | Qwen3.7-Plus ⭐ / Qwen3.7-Max / Qwen3.6-Max-Preview / Qwen Image Plus |
| 🌋 **BytePlus Seed**    | Seedream 5.0 ⭐ / Doubao Seed 2.0 Pro / Lite / Mini                   |
| 🎬 **Video generation** | HappyHorse 1.0 ⭐ / Wan2.7 / Kling V3 / Seedance 2.0                  |
| 🔍 **DeepSeek**         | DeepSeek V4 ⭐ / V3.2 / R1 (reasoning)                                |
| 💎 **Zhipu GLM**        | glm-5.1 ⭐ / glm-5 / glm-4.7                                          |
| ✨ **MiniMax**           | MiniMax M2.5 ⭐ / M2 / Text-01                                        |
| 🌙 **Moonshot Kimi**    | kimi-k2.6 ⭐ / kimi-k2.5 / Kimi K2                                    |

<Tip>
  For full model IDs, context length and live pricing, visit the [GravitexAI Model Catalog](https://maas.gravitex.ai/#/models). See the [Supported Models page](/en/api-reference/models) for detailed descriptions.
</Tip>

## 🎯 Use Cases

<Columns cols={2}>
  <Card title="AI Chat" icon="message" href="/en/integrations/cherry-studio">
    Cherry Studio, Chatbox and other AI chat clients
  </Card>

  <Card title="Coding" icon="code" href="/en/integrations/cursor">
    Cursor, Claude Code, Cline and other AI coding tools
  </Card>

  <Card title="Frameworks" icon="cube" href="/en/integrations/langchain">
    LangChain, Dify and other AI development frameworks
  </Card>

  <Card title="Translation" icon="language" href="/en/integrations/immersive-translate">
    Immersive Translate, Bob and other translation tools
  </Card>
</Columns>

## 🚀 Why GravitexAI?

### One API, Multiple Models

No need to manage separate accounts and API keys for each AI service:

* **One account**: Manage all AI services
* **One API key**: Access all models
* **One standard**: OpenAI API compatible

### 🔧 Easy to Use

Switching models is as simple as changing a parameter:

```python theme={null}
from openai import OpenAI

client = OpenAI(
    api_key="sk-xxxxxxxxxx",
    base_url="https://api.gravitex.ai/v1"
)

# Use GPT-5.5
response = client.chat.completions.create(
    model="gpt-5.5",
    messages=[{"role": "user", "content": "Hello!"}]
)

# Switch to Claude - just change the model name
response = client.chat.completions.create(
    model="claude-fable-5",
    messages=[{"role": "user", "content": "Hello!"}]
)
```

### 🛡️ Stable & Reliable

* **High Availability**: Multi-node deployment, smart routing
* **Auto Fallback**: Automatic switching when model unavailable
* **Load Balancing**: Smart request distribution, avoid rate limits
* **Real-time Monitoring**: 24/7 service status monitoring

### 💰 Cost Optimization

* **Unified Billing**: All models use unified balance
* **Transparent Pricing**: Clear pricing structure
* **Usage Statistics**: Detailed usage reports
* **Flexible Payments**: Multiple payment methods supported

## 🚀 Get Started

<Steps>
  <Step title="Contact BD to Get an Account">
    GravitexAI does not offer public registration. Please contact our [BD team](/en/contact) to provision your account.
  </Step>

  <Step title="Get API Key">
    Log in to the console and generate your API key
  </Step>

  <Step title="Start Using">
    Check [API Documentation](/en/api-reference/models) to begin integration
  </Step>
</Steps>

## 🔗 Quick Links

<Columns cols={2}>
  <Card title="Contact BD" icon="user-plus" href="/en/contact">
    Reach out to our BD team to provision an account and get test credits
  </Card>

  <Card title="Dashboard" icon="gauge" href="https://maas.gravitex.ai">
    Manage API keys, view usage and billing
  </Card>
</Columns>