# Frequently Asked Questions

Welcome to the Dify FAQ section. Here you'll find answers to the most commonly asked questions about using Dify.

## Getting Started

### What is Dify?

Dify is an open-source platform for building AI applications. It provides a comprehensive set of tools and features to help you build, deploy, and manage your AI applications without extensive coding knowledge.

### How do I get started with Dify?

To get started with Dify:

1. **Sign up** for a Dify account at [dify.ai](https://dify.ai)
2. **Create your first application** using our intuitive interface
3. **Configure your AI model** by connecting to providers like OpenAI, Anthropic, or others
4. **Test and iterate** on your application
5. **Deploy** your AI application to production

### What types of applications can I build with Dify?

You can build various types of AI applications with Dify:

- **Chatbots** for customer service
- **Knowledge base assistants** that can answer questions about your documents
- **Workflow automation tools** that process data intelligently
- **Content generation tools** for marketing and writing
- **AI agents** that can perform complex tasks

## Technical Questions

### What AI models does Dify support?

Dify supports a wide range of AI models including:

- **OpenAI models**: GPT-4, GPT-3.5, and others
- **Anthropic models**: Claude 3 and Claude 2
- **Open source models**: Through providers like Hugging Face, Ollama
- **Local models**: You can host your own models

### How does Dify handle my data?

Data security and privacy are our top priorities:

- **Your data remains yours** - we don't train on your private data
- **Encryption in transit** and at rest
- **SOC2 compliance** for enterprise customers
- **GDPR compliance** for European users

### Can I use Dify for commercial purposes?

Yes! Dify offers both:

- **Open source version** with Apache 2.0 license for self-hosting
- **Cloud version** with commercial plans for managed hosting
- **Enterprise plans** with advanced features and support

## Troubleshooting

### My AI application is giving incorrect responses

Try these troubleshooting steps:

1. **Review your prompt** - Make sure it's clear and specific
2. **Check your knowledge base** - Ensure relevant documents are uploaded
3. **Adjust model parameters** - Try different temperature or top-k settings
4. **Test with different models** - Some models work better for specific tasks

### I'm experiencing slow response times

To improve response times:

1. **Check your model configuration** - Some models are faster than others
2. **Optimize your knowledge base** - Remove unnecessary documents
3. **Use caching** - Enable response caching for frequently asked questions
4. **Consider upgrading** your plan for better performance

### How do I get support?

You can get support through:

- **Community forum** - Connect with other Dify users
- **Documentation** - Comprehensive guides and tutorials
- **GitHub issues** - For bug reports and feature requests
- **Email support** - For paid plan customers
- **Enterprise support** - Dedicated support for enterprise customers

## Billing and Plans

### What are the different pricing plans?

Dify offers several plans:

- **Free tier** - Perfect for getting started and small projects
- **Pro plans** - For growing businesses with higher usage needs
- **Enterprise plans** - Custom solutions for large organizations

### How is usage calculated?

Usage is typically calculated based on:

- **API calls** to AI models
- **Storage** for documents and data
- **Active users** on your applications
- **Custom features** depending on your plan

For detailed pricing information, visit our [pricing page](https://dify.ai/pricing).

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Need more help? Contact our support team or check out our [comprehensive documentation](../../../guides/).