> For the complete documentation index, see [llms.txt](https://docs.gaiahub.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.gaiahub.ai/creating-a-simple-llm-app.md).
# Creating a simple LLM app
To create your first LLM app, you'll need 3 things: credential, one LLM Node and one LLM Chain node.
For the sake of this example, we'll make an app that uses ChatGPT.
### 1. Create New Chatbot
Open the main menu and click on "Chatbots" -> "Create new chatbot"
Create new chatbot
### 2. Give it a name
Give a name
### 3. Add a new node "ChatOpenAI"
Click on the green floating button to add a new node, and search for "ChatOpenAI". Then, drag and drop it on the editor pane:
Add ChatOpenAI Node
### 4. Set the credentials
Click on "Change Parameters" button. It'll open the node's details where you will search for the [credentials you've created](/getting-started/adding-credentials.md) earlier. Then **Save Node Parameters**
Here you can also configure other parameters if you want
### 5. Add a "LLM Chain" node
Click on the green floating button to add a new node, and search for "LLM Chain". Then, drag and drop it on the editor pane: