Code · framework

Use DeepSeek Coder V2 with LangChain

Updated 2026-05-21 · By XALEN

How to use DeepSeek Coder V2 (Code, 236B (21B active)) with LangChain. Install, authenticate, and make your first API call in minutes. Working code example included.

Model

DeepSeek Coder V2

236B (21B active) · 128K context · $0.03 input

Framework

LangChain

framework · pip install langchain-openai

1. Install

pip install langchain-openai

2. Code

from langchain_openai import ChatOpenAI

llm = ChatOpenAI(
    model="deepseek-coder-v2",
    openai_api_key="xln_test_YOUR_KEY",
    openai_api_base="https://api.xalen.io/v1"
)

response = llm.invoke("What is DeepSeek Coder V2?")
print(response.content)

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Last updated: 2026-05-21