統合ガイド

LangChain + OrcaRouter

LangChain's ChatOpenAI class takes a base_url parameter. Pointing it at OrcaRouter gives every chain, agent, and retriever automatic failover and zero-markup pricing without touching the rest of your graph.

API キーを取得 LangChain 公式サイト ↗

セットアップ手順

5 分で OrcaRouter を接続

1.Install: pip install langchain-openai
2.Import ChatOpenAI from langchain_openai
3.Construct with base_url='https://api.orcarouter.ai/v1' and api_key='sk-orca-…'
4.Set the model to any OrcaRouter-supported model ID.
5.Use it anywhere LangChain expects a chat model — chains, agents, tools.

設定例

from langchain_openai import ChatOpenAI

llm = ChatOpenAI(
    base_url="https://api.orcarouter.ai/v1",
    api_key="sk-orca-...",
    model="claude-sonnet-4",
    temperature=0,
)

response = llm.invoke("Explain retrieval-augmented generation in one paragraph.")
print(response.content)

なぜ LangChain を OrcaRouter 経由でルーティングするのか?

LangChain agents do lots of short, bursty calls that are sensitive to rate limits. OrcaRouter spreads those calls across healthy providers automatically and gives you one cost-attribution view for the whole chain.

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