GPT-5.4 Pro API
openai/gpt-5.4-pro
Call GPT-5.4 Pro through UberLLM’s OpenAI-compatible API — from $30.00/M input and $180.00/M output, routed automatically to the cheapest healthy provider. OpenAI · 1,000,000 token context. No inference markup.
GPT-5.4 Pro pricing & providers
| Provider | Input / 1M | Output / 1M |
|---|---|---|
| OpenRouterbest | $30.00 | $180.00 |
| Surplus Intelligence | $30.00 | $180.00 |
How to use GPT-5.4 Pro with the OpenAI SDK
Already using OpenAI or OpenRouter? Change one line — the base URL — and call GPT-5.4 Pro with your existing code. Anthropic SDKs work against https://api.uberllm.dev/v1/messages.
from openai import OpenAI
client = OpenAI(
base_url="https://api.uberllm.dev/v1",
api_key="ull_your_key_here",
)
resp = client.chat.completions.create(
model="openai/gpt-5.4-pro",
messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)GPT-5.4 Pro API — FAQ
How much does the GPT-5.4 Pro API cost?
GPT-5.4 Pro costs from $30.00 per million input tokens and $180.00 per million output tokens through UberLLM, which routes to the cheapest healthy provider. There is no inference markup.
How do I call GPT-5.4 Pro via API?
Use any OpenAI-compatible SDK: set the base URL to https://api.uberllm.dev/v1, your UberLLM API key, and model "openai/gpt-5.4-pro". Anthropic SDKs work via https://api.uberllm.dev/v1/messages.
Is GPT-5.4 Pro OpenAI-compatible on UberLLM?
Yes. Every model on UberLLM — including GPT-5.4 Pro — is served through one OpenAI-compatible endpoint, so you change only the base URL and key.