Compact · framework

Use IBM Granite 3.1 2B with LangChain

Updated 2026-05-21 · By XALEN

How to use IBM Granite 3.1 2B (Compact, 2B) with LangChain. Install, authenticate, and make your first API call in minutes. Working code example included.

Model

IBM Granite 3.1 2B

2B · 128K context · $0.004 input

Framework

LangChain

framework · pip install langchain-openai

1. Install

pip install langchain-openai

2. Code

from langchain_openai import ChatOpenAI

llm = ChatOpenAI(
    model="granite-3-1-2b",
    openai_api_key="xln_test_YOUR_KEY",
    openai_api_base="https://api.xalen.io/v1"
)

response = llm.invoke("What is IBM Granite 3.1 2B?")
print(response.content)

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Last updated: 2026-05-21