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GPT-5.4 Nano

OpenAI

GPT-5.4 Nano is designed for tasks where speed and cost matter most, such as classification, data extraction, ranking, and sub-agents. With a 400K context window and 128K max output, it supports text and image inputs with reasoning token support. It delivers GPT-5.4-class capabilities at the lowest price point in the family, making it ideal for high-throughput production workloads.

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Capabilities

Thinking

Tool Use

Image Input

Image Generation

PDF Input

Example Use Cases

Ultra-fast classification and data extraction

High-volume simple tasks at minimal cost

Lightweight sub-agent and ranking workloads

Technical Specifications

Context Window

400,000 tokens

Max Output

128,000 tokens

Pricing

Token Costs (per 1M tokens)

Cache Miss Input

$0.20

Non-Reasoning Output

$1.25

Cache Read Input

$0.02

Tool Costs (per 1K calls)

Web Search

$10

Code Execution

$30

Image Generation

$400