> ## 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.

# Perplexity

To use Open Interpreter with the Perplexity API, set the `model` flag:

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

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

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

# Supported Models

We support the following completion models from the Perplexity API:

* pplx-7b-chat
* pplx-70b-chat
* pplx-7b-online
* pplx-70b-online
* codellama-34b-instruct
* llama-2-13b-chat
* llama-2-70b-chat
* mistral-7b-instruct
* openhermes-2-mistral-7b
* openhermes-2.5-mistral-7b
* pplx-7b-chat-alpha
* pplx-70b-chat-alpha

<CodeGroup>
  ```bash Terminal theme={null}
  interpreter --model perplexity/pplx-7b-chat
  interpreter --model perplexity/pplx-70b-chat
  interpreter --model perplexity/pplx-7b-online
  interpreter --model perplexity/pplx-70b-online
  interpreter --model perplexity/codellama-34b-instruct
  interpreter --model perplexity/llama-2-13b-chat
  interpreter --model perplexity/llama-2-70b-chat
  interpreter --model perplexity/mistral-7b-instruct
  interpreter --model perplexity/openhermes-2-mistral-7b
  interpreter --model perplexity/openhermes-2.5-mistral-7b
  interpreter --model perplexity/pplx-7b-chat-alpha
  interpreter --model perplexity/pplx-70b-chat-alpha
  ```

  ```python Python theme={null}
  interpreter.llm.model = "perplexity/pplx-7b-chat"
  interpreter.llm.model = "perplexity/pplx-70b-chat"
  interpreter.llm.model = "perplexity/pplx-7b-online"
  interpreter.llm.model = "perplexity/pplx-70b-online"
  interpreter.llm.model = "perplexity/codellama-34b-instruct"
  interpreter.llm.model = "perplexity/llama-2-13b-chat"
  interpreter.llm.model = "perplexity/llama-2-70b-chat"
  interpreter.llm.model = "perplexity/mistral-7b-instruct"
  interpreter.llm.model = "perplexity/openhermes-2-mistral-7b"
  interpreter.llm.model = "perplexity/openhermes-2.5-mistral-7b"
  interpreter.llm.model = "perplexity/pplx-7b-chat-alpha"
  interpreter.llm.model = "perplexity/pplx-70b-chat-alpha"
  ```
</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                                                     |
| ---------------------- | ------------------------------------ | ----------------------------------------------------------------- |
| `PERPLEXITYAI_API_KEY` | The Perplexity API key from pplx-api | [Perplexity API Settings](https://www.perplexity.ai/settings/api) |