Poe API

Grok-4

Grok 4 is xAI's latest and most intelligent language model. It features state-of-the-art capabilities in coding, reasoning, and answering questions. It excels at handling complex and multi-step tasks. Reasoning traces are not available via the xAI API.

OFFICIAL

Build with Grok-4 using the Poe API

Start by creating an API key, for use with any bot on Poe:

Generate API key

Code samples

python

import openai

client = openai.OpenAI(
    api_key = "YOUR_POE_API_KEY",  # or os.getenv("POE_API_KEY")
    base_url = "https://api.poe.com/v1",
)

chat = client.chat.completions.create(
    model = "grok-4",
    messages = [{
      "role": "user",
      "content": "Write a simple function that generates the nth element of the Fibonacci sequence for an input n and then optimize its implementation."
    }]
)

print(chat.choices[0].message.content)

See the full documentation for comprehensive guidance on getting started.