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LangChain ​

LangChain's ChatOpenAI client speaks the OpenAI Chat Completions API, so it routes through Corveil with two parameters.

Mode ​

Direct mode only.

1. Install ​

bash
pip install langchain langchain-openai

2. Minimal example ​

python
from langchain_openai import ChatOpenAI

llm = ChatOpenAI(
    model="or-claude-haiku-4.5",
    base_url="https://your-corveil-host/v1",
    api_key="sk-citadel-your-key-here",
)

print(llm.invoke("Explain zero-trust architecture in one paragraph").content)

Notes ​

  • Anything LangChain builds on top of ChatOpenAI — agents, tools, retrievers — will inherit Corveil routing automatically
  • For embeddings, use OpenAIEmbeddings(base_url=..., api_key=...) the same way, provided your Corveil instance exposes an embeddings model