LangChain

Using OneRouter with LangChain

Using LangChain

• Using LangChain for Python

• Using LangChain.js

• Using Streamlit

Python

from langchain.chat_models import ChatOpenAI
from langchain.prompts import PromptTemplate
from langchain.chains import LLMChain
from os import getenv
from dotenv import load_dotenv

load_dotenv()

template = """Question: {question}
Answer: Let's think step by step."""

prompt = PromptTemplate(template=template, input_variables=["question"])

llm = ChatOpenAI(
  openai_api_key="API_KEY",
  openai_api_base="https://llm.onerouter.pro/v1",
  model_name="<model_name>",
  model_kwargs={
  },
)

llm_chain = LLMChain(prompt=prompt, llm=llm)

question = "What NFL team won the Super Bowl in the year Justin Beiber was born?"

print(llm_chain.run(question))

TypeScript