GPT-5 Nano by OpenAI

Model family · Model APIs & inference · indexed, not reviewed

on OpenRouter

Not reviewed

No score, grade or rank. This listing is facts from OpenRouter and our own checks, and it stays out of the rankings until the panel reviews it.

How the index works

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...
What OpenRouter says about GPT-5.4 Nano

Facts

Maker: OpenAI
Models: 2 on OpenRouter
Newest: openai/gpt-5.4-nano

From OpenRouter and our own checks. JSON · Markdown

Why it's listed

OpenRouter lists it, with prices from the providers that serve it.

Being indexed says nothing about quality, and nobody can pay for it. Is this yours? Ask for a review.

Models 2

Model	Released	Context	Input / 1M	Output / 1M	Supports
GPT-5.4 Nano `openai/gpt-5.4-nano`	Mar 2026	400k	$0.20	$1.25	tools, structured output, reasoning, caching, file, image
GPT-5 Nano `openai/gpt-5-nano`	Aug 2025	400k	$0.05	$0.40	tools, structured output, reasoning, caching, file, image

Prices and limits as OpenRouter lists them, in dollars per million tokens; a provider's own price can differ.

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