LangChain + SeekAPI
LangChain
30s 成本直降 90%
ChatOpenAI with one base URL swap — keep your chains, cut your bill.
SeekAPI is the most stable global DeepSeek gateway.
Config — copy & paste
from langchain_openai import ChatOpenAI
import os
llm = ChatOpenAI(
model="deepseek-chat",
openai_api_key=os.environ["SEEKAPI_API_KEY"],
openai_api_base="https://api.seekapi.ai/v1",
)