> ## Documentation Index
> Fetch the complete documentation index at: https://docs.zeroruntime.ai/llms.txt
> Use this file to discover all available pages before exploring further.
# Openai
> Python API reference for the openai llm provider.
Setup, environment variables, and Python/JavaScript/Go usage examples.
## OpenAILLM
Initialize the OpenAI LLM plugin.
Slot: llm. Route: plugins -- direct to the vendor, with OPENAI\_API\_KEY or
an explicit api\_key.
```python theme={null}
from zeroruntime.plugins import OpenAILLM # direct to the vendor, with your key
```
### Fields
***
## ZRTLLM
Initialize the VideoSDK LLM plugin against its OpenAI-compatible endpoint.
Slot: llm. Route: plugins -- direct to the vendor, with OPENAI\_API\_KEY or
an explicit api\_key.
```python theme={null}
from zeroruntime.plugins import ZRTLLM # direct to the vendor, with your key
from zeroruntime.inference import ZRTLLM # same fields, through the gateway, no vendor key
```
### Fields