gpt-5.4-nano

OpenAIgpt-5.4-nano

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.

API Pricing

Price typeBilling expression
Official price
Base pricingPricing tier: base
  • Input usage × $0.20
  • Output usage × $1.25
  • Cached read × $0.02
GPT_Ultra×0.880% of official list price
Base pricingPricing tier: base
  • Input usage × $0.16
  • Output usage × $1.00
  • Cached read × $0.02

Group multiplier: x0.8

Official pricing is subject to the model provider's latest published pricing and may vary by request method or service region. GPT_Ultra — TokenByte channel pricing. Actual prices and availability reflect current platform data.

Model information

Model providerOpenAI
Model IDgpt-5.4-nano
Context window400000
InputTextImage
OutputText

Frequently asked questions

01

What is GPT-5.4 Nano?

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.
02

How much does GPT-5.4 Nano cost?

GPT-5.4 Nano costs $0.20/M input tokens and $1.25/M output tokens, with separate rates for Cache Read at $0.02/M tokens.
03

What is the context length of GPT-5.4 Nano?

GPT-5.4 Nano has a 400,000 token context window. It supports up to 128,000 completion tokens.