openai/gpt-5.4-mini
400,000 context · $0.75/M input tokens · $4.50/M output tokens
GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads. It supports text and image inputs with strong performance across reasoning, coding, and tool use, while reducing latency and cost for large-scale deployments. The model is designed for production environments that require a balance of capability and efficiency, making it well suited for chat applications, coding assistants, and agent workflows that operate at scale. GPT-5.4 mini delivers reliable instruction following, solid multi-step reasoning, and consistent performance across diverse tasks with improved cost efficiency.
Pricing
Pay-per-use
No upfront costs, pay only for what you use
API Usage
Use the following code examples to integrate with our API:
from openai import OpenAI
client = OpenAI(
api_key="YOUR_API_KEY",
base_url="https://llm.wavespeed.ai/v1"
)
response = client.chat.completions.create(
model="openai/gpt-5.4-mini",
messages=[
{"role": "user", "content": "Hello!"}
]
)
print(response.choices[0].message.content)Info
Supported Functionality
API Access Guide
GPT 5.4 Mini API
openai/gpt-5.4-mini
GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads. It supports text and image inputs with strong performance across reasoning, coding, and tool use, while reducing latency and cost for large-scale deployments. The model is designed for production environments that require a balance of capability and efficiency, making it well suited for chat applications, coding assistants, and agent workflows that operate at scale. GPT-5.4 mini delivers reliable instruction following, solid multi-step reasoning, and consistent performance across diverse tasks with improved cost efficiency.
Input
$0.75 /M
Output
$4.5 /M
Context
400K
Max Output
128K
Vision
Supported
Tool Use
Supported
Try GPT 5.4 Mini on WaveSpeedAI
Access GPT 5.4 Mini through our unified API — OpenAI-compatible, no cold starts, transparent pricing.
Open PlaygroundFrequently Asked Questions about GPT 5.4 Mini
How much does GPT 5.4 Mini cost via the API?+
Pricing on WaveSpeedAI: $0.75 per million input tokens and $4.50 per million output tokens. Prompt caching and batch processing are billed separately and reduce effective cost on long, repetitive workloads.
What is the context window of GPT 5.4 Mini?+
GPT 5.4 Mini supports up to 400K tokens of context with up to 128K tokens of output per request.
Is GPT 5.4 Mini OpenAI-compatible?+
Yes. WaveSpeedAI exposes GPT 5.4 Mini through an OpenAI-compatible endpoint at https://llm.wavespeed.ai/v1. Point the official OpenAI SDK at this base URL with your WaveSpeedAI API key — no other code changes required.
How do I get started with GPT 5.4 Mini?+
Sign in to WaveSpeedAI, create an API key in Access Keys, then send a request to https://llm.wavespeed.ai/v1/chat/completions with model id set to the value shown above. New accounts receive free credits to evaluate GPT 5.4 Mini before paying per token.