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OpenAI: GPT-5.4 Nano

openai/gpt-5.4-nano
Mar 17, 2026400K context128K max output$0.20/M in · $1.25/M outReasoning

Description

GPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks. It supports text and image inputs and is designed for low-latency use cases such as classification, data extraction, ranking, and sub-agent execution.

The model prioritizes responsiveness and efficiency over deep reasoning, making it ideal for pipelines that require fast, reliable outputs at scale. GPT-5.4 nano is well suited for background tasks, real-time systems, and distributed agent architectures where minimizing cost and latency is essential.

Specifications

Provider
openai
Context Length
400K
Max Output
128K
Modality
Infileimagetext
Outtext

Pricing

TypePrice / 1M tokens
Input$0.20
Output$1.25
Cache Read$0.02
Web Search$0.01 / call

Quick Start

curl https://api.ominigate.ai/v1/chat/completions \
  -H "Authorization: Bearer sk-omg-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5.4-nano",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'