Open Source · framework

Use Mistral Medium 3 with LlamaIndex

Updated 2026-05-21 · By XALEN

How to use Mistral Medium 3 (Open Source, 70B) with LlamaIndex. Install, authenticate, and make your first API call in minutes. Working code example included.

Model

Mistral Medium 3

70B · 128K context · $0.04 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="mistral-medium-3",
    api_key="xln_test_YOUR_KEY",
    api_base="https://api.xalen.io/v1"
)

response = llm.complete("Explain Mistral Medium 3")
print(response.text)

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Last updated: 2026-05-21