原文
            Butter is a Chat Completions API endpoint, making it easy to drop right into favorite tools like LangChain, Mastra, Crew AI, Pydantic AI, AI Suite, Helicone, LiteLLM, Martian, Browser Use, DSPy, and more.
from openai import OpenAI
# Repoint your client
client = OpenAI(
    base_url="https://proxy.butter.dev/v1", 
)
# Requests now route through Butter
response = client.chat.completions.create()