Poe API

GPT-5-Chat

ChatGPT-5 points to the non-reasoning model GPT-5 snapshot (gpt-5-chat-latest) currently used in ChatGPT. Supports native vision, 400k tokens of context, and generally has more intelligence than GPT-4.1. Provides a 90% chat history cache discount.

OFFICIAL

Build with GPT-5-Chat 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 = "gpt-5-chat",
    messages = [{
      "role": "user",
      "content": "Draft a cover letter for a position in software engineering"
    }]
)

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

See the full documentation for comprehensive guidance on getting started.