Last refreshed 2026-06-13. Next refresh: weekly.
Why use GPT-5.4 Mini on OpenAI API?
OpenAI API offers GPT-5.4 Mini with pay-as-you-go pricing at $0.75/1M 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 Mini across 3 providers to find the best fit for your use caseInput / 1M
$0.75
Output / 1M
$4.50
Cache
read $0.075
Batch
-50% · in $0.375 / out $2.25
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-miniRequest example
import os
from openai import OpenAI
client = OpenAI() # reads OPENAI_API_KEY from env
response = client.chat.completions.create(
model="gpt-5.4-mini",
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 Mini Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| OpenAI API | $0.75 | $4.50 |
| OpenRouter | $0.75 | $4.50 |
| Vercel AI Gateway | $0.75 | $4.50 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.75 |
| Output tokens | $4.50 |
Capabilities
VisionMultimodalReasoningJSON / Tool useStructured OutputsCode ExecutionPrompt CachingBatch API
About GPT-5.4 Mini
GPT-5.4 Mini is a smaller, cost-efficient variant of GPT-5.4 with a 400K token context window. Designed for tasks requiring long-context processing at lower cost. Model ID: gpt-5.4-mini.
Get Started
Model Specs
Released2026-03-05
Context400k
ArchitectureDecoder Only
Knowledge cutoff2025-08