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

# NLP Cloud

To use Open Interpreter with NLP Cloud, set the `model` flag:

<CodeGroup>
  ```bash Terminal theme={null}
  interpreter --model dolphin
  ```

  ```python Python theme={null}
  from interpreter import interpreter

  interpreter.llm.model = "dolphin"
  interpreter.chat()
  ```
</CodeGroup>

# Required Environment Variables

Set the following environment variables [(click here to learn how)](https://chat.openai.com/share/1062cdd8-62a1-4aa8-8ec9-eca45645971a) to use these models.

| Environment Variable | Description       | Where to Find                                                     |
| -------------------- | ----------------- | ----------------------------------------------------------------- |
| `NLP_CLOUD_API_KEY`  | NLP Cloud API key | [NLP Cloud Dashboard -> API KEY](https://nlpcloud.com/home/token) |