Open Source · framework

Use InternLM 2.5 20B with LlamaIndex

Updated 2026-05-21 · By XALEN

How to use InternLM 2.5 20B (Open Source, 20B) with LlamaIndex. Install, authenticate, and make your first API call in minutes. Working code example included.

Model

InternLM 2.5 20B

20B · 256K context · $0.02 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="internlm-2-5-20b",
    api_key="xln_test_YOUR_KEY",
    api_base="https://api.xalen.io/v1"
)

response = llm.complete("Explain InternLM 2.5 20B")
print(response.text)

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Last updated: 2026-05-21