CrewAI

crew.py

from crewai import LLM

llm = LLM(
    model="openai/lethe",
    base_url="https://asklethe.ai/v1",
    api_key="$LETHE_API_KEY",
)

Get $LETHE_API_KEY from Authentication. CrewAI treats this as an OpenAI-compatible provider, routed to LETHE’s Chat Completions endpoint.