Description:

Please add an option to use our own LLM API key with Underlord, including support for a custom Base URL and model selection.

Underlord can consume a significant amount of AI credits even for relatively simple prompts. Allowing users to connect their own LLM provider would make Underlord much more flexible and cost-effective, especially for users who already have API credits with providers such as OpenAI, Anthropic, or compatible APIs.

Ideally, the settings could include:

API Key

Base URL

Model name

Provider selection

Optional usage limits

This would allow users to choose when to use Descript AI credits and when to use their own API credits, significantly improving cost control and making Underlord more useful for power users.