GPT-5.4

textVisionFilesReasoning

Versatile model for coding and text tasks.

Pricing

Input3.75 $

Output22.50 $

Price uses the live FX rate — shown equals charged.

Parameters

How to use

Compatible with the OpenAI SDK — just change base_url and the key:

https://api.mixen.ai/v1

from openai import OpenAI

client = OpenAI(base_url="https://api.mixen.ai/v1", api_key="mxn-...")
resp = client.chat.completions.create(
    model="gpt-5.5",
    messages=[{"role": "user", "content": "Привет"}],
)
print(resp.choices[0].message.content)

Try in the bot Open in web app API docs

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