Last refreshed 2026-05-10. Next refresh: weekly.
Why use GPT-5.4 Pro on OpenAI API?
OpenAI API offers GPT-5.4 Pro with pay-as-you-go pricing at $30.00/1M input tokens. OpenAI is a leading AI research and deployment company dedicated to developing safe and beneficial artificial general intelligence (AGI) for humanity.
Compare GPT-5.4 Pro across 3 providers to find the best fit for your use caseInput / 1M
$30.00
Output / 1M
$180.00
Cache
Not sourced
Batch
-50% · in $15.00 / out $90.00
Setup recipe
Python + curlInstall
pip install openaiAuth
export OPENAI_API_KEY=...Call
import os
from openai import OpenAI
client = OpenAI() # reads OPENAI_API_KEY from env
response = client.chat.completions.create(Model ID
gpt-5.4-proRequest example
import os
from openai import OpenAI
client = OpenAI() # reads OPENAI_API_KEY from env
response = client.chat.completions.create(
model="gpt-5.4-pro",
messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)Gotchas
- Use the model slug directly, e.g. "gpt-4o" or "gpt-4.1-mini".
- The examples expect OPENAI_API_KEY; rename it only if your application config maps the new variable.
Compare GPT-5.4 Pro Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| OpenRouter | $30.00 | $180.00 |
| OpenAI API | $30.00 | $180.00 |
| Vercel AI Gateway | $30.00 | $180.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $30.00 |
| Output tokens | $180.00 |
Capabilities
VisionMultimodalReasoningJSON / Tool useStructured OutputsCode ExecutionBatch API
About GPT-5.4 Pro
Premium extended-reasoning GPT-5.4 variant producing smarter and more precise responses. Replacement for o3-deep-research and o4-mini-deep-research. No prompt caching discount.
Get Started
Model Specs
Released2026-03-01
Context1.05m
ArchitectureDecoder Only
Knowledge cutoff2025-08