Speech · language

Use AssemblyAI Universal 2 with Python

Updated 2026-05-21 · By XALEN

How to use AssemblyAI Universal 2 (Speech, ~2B) with Python. Install, authenticate, and make your first API call in minutes. Working code example included.

Model

AssemblyAI Universal 2

~2B · Long-form context · $0.006/min input

Framework

Python

language · pip install xalen

1. Install

pip install xalen

2. Code

from xalen import XALEN

client = XALEN(api_key="xln_test_YOUR_KEY")

response = client.chat.completions.create(
    model="assembly-ai-universal-2",
    messages=[{"role": "user", "content": "Hello from Python!"}]
)
print(response.choices[0].message.content)

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Last updated: 2026-05-21