Poe API

GPT-5.4-Pro

OFFICIAL

A smarter, more precise version of GPT-5.4 that leverages additional compute to think harder and provide consistently better answers. Designed to tackle your toughest problems, this model operates with the highest reasoning capability to ensure maximum accuracy on complex tasks. This bot supports optional parameters for additional customization.

Build with GPT-5.4-Pro using the Poe API

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

Generate API key

Use it in these bots

See all

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Code samples

Responses API

import openai

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

response = client.responses.create(
    model = "gpt-5.4-pro",
    input = "Hello world"
)

print(response.output_text)

See the full documentation for comprehensive guidance on getting started.