All models

gpt-5.4-2026-03-05

OpenAI · Reasoning

Available
Context window
1.1M
Input / 1M
$5.00
Cache / 1M
$0.50
Output / 1M
$22.50

Call this model

request.py
from openai import OpenAI

client = OpenAI(
    base_url="https://api.tokener.ai/v1",
    api_key="sk-tk-••••••••••••",
)

response = client.chat.completions.create(
    model="gpt-5.4-2026-03-05",
    messages=[{"role": "user", "content": "Explain retrieval augmented generation."}],
)