> ## 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.

# OpenRouter

To use Open Interpreter with a model from OpenRouter, set the `model` flag to begin with `openrouter/`:

<CodeGroup>
  ```bash Terminal theme={null}
  interpreter --model openrouter/openai/gpt-3.5-turbo
  ```

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

  interpreter.llm.model = "openrouter/openai/gpt-3.5-turbo"
  interpreter.chat()
  ```
</CodeGroup>

# Supported Models

We support any model on [OpenRouter's models page:](https://openrouter.ai/models)

<CodeGroup>
  ```bash Terminal theme={null}
  interpreter --model openrouter/openai/gpt-3.5-turbo
  interpreter --model openrouter/openai/gpt-3.5-turbo-16k
  interpreter --model openrouter/openai/gpt-4
  interpreter --model openrouter/openai/gpt-4-32k
  interpreter --model openrouter/anthropic/claude-2
  interpreter --model openrouter/anthropic/claude-instant-v1
  interpreter --model openrouter/google/palm-2-chat-bison
  interpreter --model openrouter/google/palm-2-codechat-bison
  interpreter --model openrouter/meta-llama/llama-2-13b-chat
  interpreter --model openrouter/meta-llama/llama-2-70b-chat
  ```

  ```python Python theme={null}
  interpreter.llm.model = "openrouter/openai/gpt-3.5-turbo"
  interpreter.llm.model = "openrouter/openai/gpt-3.5-turbo-16k"
  interpreter.llm.model = "openrouter/openai/gpt-4"
  interpreter.llm.model = "openrouter/openai/gpt-4-32k"
  interpreter.llm.model = "openrouter/anthropic/claude-2"
  interpreter.llm.model = "openrouter/anthropic/claude-instant-v1"
  interpreter.llm.model = "openrouter/google/palm-2-chat-bison"
  interpreter.llm.model = "openrouter/google/palm-2-codechat-bison"
  interpreter.llm.model = "openrouter/meta-llama/llama-2-13b-chat"
  interpreter.llm.model = "openrouter/meta-llama/llama-2-70b-chat"
  ```
</CodeGroup>

# Required Environment Variables

Set the following LiteLLM 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                                         |
| -------------------- | ------------------------------------------------------------------------------------------------------- | ----------------------------------------------------- |
| `OPENROUTER_API_KEY` | The API key for authenticating to OpenRouter's services.                                                | [OpenRouter Account Page](https://openrouter.ai/keys) |
| `OR_SITE_URL`        | An optional app URL for tracking usage, such as `https://github.com/openinterpreter/open-interpreter/`. | Your choice                                           |
| `OR_APP_NAME`        | An optional app name for tracking usage, such as `"Open Interpreter"`.                                  | Your choice                                           |