업데이트: 2026-06-06
OpenAI 공식 SDK
pip install openai
from openai import OpenAI
client = OpenAI(
api_key="sk-xxx",
base_url="https://api.crazyrouter.com/v1"
)
# 동기 호출
response = client.chat.completions.create(
model="gpt-5.5",
messages=[{"role": "user", "content": "안녕하세요"}],
temperature=0.7,
max_tokens=1000
)
print(response.choices[0].message.content)
비동기 호출
from openai import AsyncOpenAI
import asyncio
client = AsyncOpenAI(
api_key="sk-xxx",
base_url="https://api.crazyrouter.com/v1"
)
async def main():
response = await client.chat.completions.create(
model="gpt-5.5",
messages=[{"role": "user", "content": "안녕하세요"}]
)
print(response.choices[0].message.content)
asyncio.run(main())
LangChain 통합
pip install langchain-openai
from langchain_openai import ChatOpenAI
llm = ChatOpenAI(
model="gpt-5.5",
api_key="sk-xxx",
base_url="https://api.crazyrouter.com/v1",
temperature=0.7
)
# 간단한 호출
response = llm.invoke("Python으로 퀵 정렬을 작성해줘")
print(response.content)
LangChain 체인 호출
from langchain_openai import ChatOpenAI
from langchain_core.prompts import ChatPromptTemplate
llm = ChatOpenAI(
model="gpt-5.5",
api_key="sk-xxx",
base_url="https://api.crazyrouter.com/v1"
)
prompt = ChatPromptTemplate.from_messages([
("system", "당신은 {role}입니다."),
("user", "{input}")
])
chain = prompt | llm
response = chain.invoke({"role": "Python 전문가", "input": "데코레이터를 설명해줘"})
print(response.content)
LangChain Embeddings
from langchain_openai import OpenAIEmbeddings
embeddings = OpenAIEmbeddings(
model="text-embedding-3-large",
api_key="sk-xxx",
base_url="https://api.crazyrouter.com/v1"
)
vectors = embeddings.embed_documents(["텍스트 1", "텍스트 2"])
print(f"벡터 차원: {len(vectors[0])}")
LlamaIndex 통합
pip install llama-index-llms-openai llama-index-embeddings-openai
from llama_index.llms.openai import OpenAI
from llama_index.embeddings.openai import OpenAIEmbedding
# LLM 설정
llm = OpenAI(
model="gpt-5.5",
api_key="sk-xxx",
api_base="https://api.crazyrouter.com/v1"
)
response = llm.complete("RAG란 무엇인가요?")
print(response.text)
# Embedding 설정
embed_model = OpenAIEmbedding(
model="text-embedding-3-large",
api_key="sk-xxx",
api_base="https://api.crazyrouter.com/v1"
)
vector = embed_model.get_text_embedding("테스트 텍스트")
print(f"차원: {len(vector)}")
위 채팅 예시는 기본적으로 2026년 3월 23일 프로덕션 환경에서 성공적으로 검증된
gpt-5.5를 사용합니다. 모델을 교체하려면 마찬가지로 검증된 claude-opus-4-8로 변경하는 것을 우선 권장하며, Embedding 예시는 계속 text-embedding-3-large를 사용합니다.