Articles → LANGCHAIN → Invoke Your First Openai LLM Model Using Langchain
Invoke Your First Openai LLM Model Using Langchain
Prerequisite
# Update Ubuntu
sudo apt update
sudo apt upgrade -y
# Install Python
sudo apt install python3 python3-pip python3-venv -y
# Install langchain-openai
python3 -m pip install langchain-openai
Create Your First Program
from langchain_openai import ChatOpenAI
llm = ChatOpenAI(
api_key="your_api_key",
model="gpt-4.1-mini",
temperature=0.6
)
text="what is the capital of india"
response = llm.invoke(text)
print(response.content)
Output
| Posted By - | Karan Gupta |
| |
| Posted On - | Monday, May 11, 2026 |