Support customizable openai endpoint

[NeverOccurs]

Tried litellm for hours but didn't work. Not so familiar with langchain. It would be better if some more examples (together_ai, openrouters) are provided. Customizable openai endpoint would be a big plus.

[VinciGit00]

please send us the script you are using

[VinciGit00]

try this graph_config = { "llm": { "model": "gpt-3.5-turbo", "api_key": "YOUR_API_KEY", "temperature": 0, "openai_api_base": "https://your_custom_url.com", }, }