Open Source · framework

Use OLMo 2 13B with LlamaIndex

Updated 2026-05-21 · By XALEN

How to use OLMo 2 13B (Open Source, 13B) with LlamaIndex. Install, authenticate, and make your first API call in minutes. Working code example included.

Model

OLMo 2 13B

13B · 32K context · $0.015 input

Framework

LlamaIndex

framework · pip install llama-index-llms-openai-like

1. Install

pip install llama-index-llms-openai-like

2. Code

from llama_index.llms.openai_like import OpenAILike

llm = OpenAILike(
    model="olmo-2-13b",
    api_key="xln_test_YOUR_KEY",
    api_base="https://api.xalen.io/v1"
)

response = llm.complete("Explain OLMo 2 13B")
print(response.text)

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Last updated: 2026-05-21