OpenAI

GPT-5.4 Nano

openai/gpt-5.4-nano

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Specification

Published by the vendor; the platform bills at the target's declared price.

GPT-5.4 Nano

reasoning tools

OpenAI openai/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...

Input $/1M: $0.20
Output $/1M: $1.25
Context: 400K
Max output: 128K
Released: Mar 17, 2026
Modalities: fileimagetext

Intelligence index-

Coding index56

Agentic index-

Cached input reads $0.02 per 1M

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targets.yamlyaml

# targets.yaml - declare a target that runs GPT-5.4 Nano
targets:
  - id: gpt-5-4-nano
    kind: llm
    name: GPT-5.4 Nano
    metadata:
      model: openai/gpt-5.4-nano          # links the target to this catalogue entry
    capabilities:
      domains: [general]
      supports_tools: true
      context_window: 400000
    cost:
      usd_per_1k_tokens: 0.000725

Price among OpenAI models

Input list price per million tokens; GPT-5.4 Nano is the 3rd cheapest of 13 listed.

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