GPT-5.4 Mini

Approved Data Classifications

Description

GPT-5.4 Mini is OpenAI’s high-throughput small model designed for fast, cost-efficient coding, reasoning, and multimodal workloads. It supports text and image input, produces text output, and keeps the GPT-5.4 family’s 400,000-token context window while lowering cost and latency for production applications. OpenAI positions it as a strong default for high-volume agentic and developer workflows, with pricing at $0.75 per 1M input tokens, $4.50 per 1M output tokens, and $0.075 per 1M cached input tokens.

Capabilities

Model	Knowledge Cutoff	Input	Output	Context Length	Cost (per 1 million tokens)
gpt-5.4-mini	Aug 31 2025	Text, Image	Text	400,000	$0.75/1M input $4.50/1M output

info

• 1M represents 1 Million Tokens
• All prices listed are based on 1 Million Tokens
• Cached input: $0.075 per 1M tokens

Availability

Cloud Provider

Usage

curl

curl -X POST https://api.ai.it.ufl.edu/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer <API_TOKEN>" \
-d '{
    "model": "gpt-5.4-mini",
    "messages": [
        {
            "role": "system",
            "content": "You are a helpful assistant."
        },
        {
            "role": "user",
            "content": "Write a haiku about an Alligator."
        }
    ]
}'

python

from openai import OpenAI

client = OpenAI(
    api_key="your_api_key",
    base_url="https://api.ai.it.ufl.edu/v1"
)

response = client.chat.completions.create(
    model="gpt-5.4-mini", # model to send to the proxy
    messages = [
        { "role": "system", "content": "You are a helpful assistant." },
        {
            "role": "user",
            "content": "Write a haiku about an Alligator."
        }
    ]
)

print(response.choices[0].message)

javascript

import OpenAI from 'openai';

const openai = new OpenAI({
  apiKey: 'your_api_key',
  baseURL: 'https://api.ai.it.ufl.edu/v1'
});

const completion = await openai.chat.completions.create({
    model: "gpt-5.4-mini",
    messages: [
        { role: "system", content: "You are a helpful assistant." },
        {
            role: "user",
            content: "Write a haiku about an Alligator.",
        },
    ],
});

print(completion.choices[0].message)

---

References

1. OpenAI - Introducing GPT-5.4 mini and nano
   https://openai.com/index/introducing-gpt-5-4-mini-and-nano/
2. OpenAI API Docs - GPT-5.4 mini
   https://developers.openai.com/api/docs/models/gpt-5.4-mini
3. OpenAI API Pricing
   https://developers.openai.com/api/docs/pricing