> ## 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.

# How to choose the right AI model?

> Learn how to select the best AI model for your use case

## Quick Model Overview

<Card title="Model Information" icon="list" href="/en/api-reference/models">
  View latest model list, performance metrics and pricing
</Card>

## Core Selection Principles

<Columns cols={2}>
  <Card title="Use Newer Models" icon="sparkles">
    **Prefer new models**

    * ✅ Better performance
    * ✅ Often cheaper
    * ✅ More features
    * ✅ Longer context
  </Card>

  <Card title="Match Your Use Case" icon="bullseye">
    **Match actual needs**

    * 📊 Data analysis: Strong reasoning models
    * 💬 Chat apps: Balance performance & cost
    * 🎨 Creative: Multimodal models
    * ⚡ Batch processing: Cost-effective models
  </Card>
</Columns>

## Scenario Recommendations

### Text Generation & Chat

<Tabs>
  <Tab title="General Chat">
    **💬 General Chat & Content Creation**

    **Recommended**:

    * **Claude Sonnet 4**: Strong overall, complex tasks
    * **GPT-4o Mini**: Great value, high volume
    * **Gemini 2.5 Flash**: Fast, low cost

    **Use cases**: Chatbots, content generation, copywriting
  </Tab>

  <Tab title="Complex Reasoning">
    **🧠 Complex Reasoning & Analysis**

    **Recommended**:

    * **Claude Opus 4.7**: Anthropic's latest flagship — top reasoning
    * **GPT-5.5**: OpenAI's latest flagship — best reasoning + coding
    * **Gemini 3.1 Pro Preview**: Deep reasoning with ultra-long context
    * **DeepSeek V3.2**: Hybrid reasoning, great value

    **Use cases**: Data analysis, code generation, logic problems
  </Tab>

  <Tab title="Batch Processing">
    **⚡ Batch Processing & High Concurrency**

    **Recommended**:

    * **GPT-4o Mini**: Low cost, great value
    * **Gemini 2.5 Flash**: Fast, stable
    * **Claude 3 Haiku**: Lightweight, efficient

    **Use cases**: Batch translation, content moderation, data processing
  </Tab>
</Tabs>

### Image Generation

**🎨 Image Generation Models**

| Model                              | Features                                   | Use Case                                    |
| ---------------------------------- | ------------------------------------------ | ------------------------------------------- |
| **Gemini 3.1 Flash Image Preview** | Multimodal, image-to-image                 | Product photos, marketing                   |
| **GPT-Image-2**                    | OpenAI's next-generation image model       | Professional text-to-image / image-to-image |
| **Qwen Image Plus**                | Excellent Chinese / English text rendering | Posters, marketing visuals                  |

### Code & Technical

**💻 Code Generation & Development**

| Model               | Features              | Recommended For  |
| ------------------- | --------------------- | ---------------- |
| **Claude Sonnet 4** | Best code quality     | Complex coding   |
| **GPT-4.1**         | Full language support | General dev      |
| **Gemini 2.5 Pro**  | Ultra-long context    | Large projects   |
| **DeepSeek V3**     | Cost-effective        | Budget-conscious |

## Get Advice

For specific use cases, contact us for professional recommendations:

<Card title="Email Support" icon="envelope" href="mailto:bd@gravitex.ai">
  [bd@gravitex.ai](mailto:bd@gravitex.ai) - Describe your use case
</Card>

**Please provide**:

* 🎯 **Use case**: Specific purpose
* 📊 **Scale**: Expected daily calls
* ⚡ **Requirements**: Speed, quality needs
* 💰 **Budget**: Cost targets

## Real Example

<Accordion title="Case: Batch Image Title Generation">
  **Need**: Generate titles for many product images

  **Recommendation**:

  * **GPT-4o Mini**: Low cost, stable quality, good for batch
  * **Gemini 2.5 Flash**: Faster, even cheaper, for huge batches

  **Reason**: This task doesn't need creativity but is cost/speed sensitive. Mini and Flash series offer best value.
</Accordion>

## Model Updates

<Note>
  **Stay Updated**

  AI models evolve rapidly. New models often have better performance at lower prices. We recommend:

  * 📖 Check [model info page](/en/api-reference/models) regularly
  * 🧪 Test new models with free credits
  * 📈 Gradually switch to better models
</Note>

<Tip>
  **Remember**: Use newer models - they're usually better AND cheaper!
</Tip>