Open Source · language

Use Llama 3.1 405B with Ruby

Updated 2026-05-21 · By XALEN

How to use Llama 3.1 405B (Open Source, 405B) with Ruby. Install, authenticate, and make your first API call in minutes. Working code example included.

Model

Llama 3.1 405B

405B · 128K context · $0.08 input

Framework

Ruby

language · gem install ruby-openai

1. Install

gem install ruby-openai

2. Code

require "openai"

client = OpenAI::Client.new(
  access_token: "xln_test_YOUR_KEY",
  uri_base: "https://api.xalen.io/v1"
)

response = client.chat(
  parameters: {
    model: "llama-3-1-405b",
    messages: [{ role: "user", content: "Hello from Ruby!" }]
  }
)
puts response.dig("choices", 0, "message", "content")

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Last updated: 2026-05-21