# FAQ

**Q**. Does GeniA only work with OpenAI?    
**A**. Under the hood GeniA is built upon the [function-calling capabilities offered by OpenAI](https://openai.com/blog/function-calling-and-other-api-updates) (OpenAI or Azure). GeniA requires OpenAI API Key, you can generate one [here](https://platform.openai.com/account/api-keys)


**Q**. How much is it going to cost?    
**A**. GeniA uses OpenAI, be mindful of cost implications and ensure you set usage limits. You can configure both soft and hard limits at the following URL: https://platform.openai.com/account/billing/limits.

**Q**. What OpenAI model is used by GeniA?    
**A**. By default, GeniA is set to use `gpt-3.5-turbo-0613`. We acknowledge that `gpt-4-0613` often delivers superior results, but have found the 3.5 version to be a more cost-effective choice.

