Open Source · framework

Use Qwen 2.5 72B Turbo with LangChain

Updated 2026-05-21 · By XALEN

How to use Qwen 2.5 72B Turbo (Open Source, 72B) with LangChain. Install, authenticate, and make your first API call in minutes. Working code example included.

Model

Qwen 2.5 72B Turbo

72B · 128K context · $0.04 input

Framework

LangChain

framework · pip install langchain-openai

1. Install

pip install langchain-openai

2. Code

from langchain_openai import ChatOpenAI

llm = ChatOpenAI(
    model="qwen-2-5-72b-turbo",
    openai_api_key="xln_test_YOUR_KEY",
    openai_api_base="https://api.xalen.io/v1"
)

response = llm.invoke("What is Qwen 2.5 72B Turbo?")
print(response.content)

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Last updated: 2026-05-21