Enhancement: allow users to set 3rd party OpenAI api URL

[xlin0]

Feature request: allow users to set 3rd party OpenAI api URL.
Many websites provide open source models compatible with OpenAI. Above the OpenAI key parameter, please add one for the URL.

[ryanhamilton]

Any particular URL / API you want supported?
Some of them work quite differently, particularly around authentication and what's in the auth headers.

[xlin0]

Thanks for the quick response! Many inference servers like Ollama and LM Studio expose OpenAI compatible end-points. They can run DeepSeek, Qwen, GLM and other models.