Reasoning · framework

Use DeepSeek R1 Distill 70B with LangChain

Updated 2026-05-21 · By XALEN

How to use DeepSeek R1 Distill 70B (Reasoning, 70B) with LangChain. Install, authenticate, and make your first API call in minutes. Working code example included.

Model

DeepSeek R1 Distill 70B

70B · 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="deepseek-r1-distill-70b",
    openai_api_key="xln_test_YOUR_KEY",
    openai_api_base="https://api.xalen.io/v1"
)

response = llm.invoke("What is DeepSeek R1 Distill 70B?")
print(response.content)

DeepSeek R1 Distill 70B with Other Frameworks

Python JavaScript React Next.js Flask FastAPI Django Express.js

Other Models with LangChain

Vedika Standard Vedika Fast Vedika Pro Ultra Vedika Vision Vedika Code Vedika Astro Agent

200+ models. One API. Works with any framework.

Get API Key

Last updated: 2026-05-21