GPT-4 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

For tasks that demand low latency, GPT‑4.1 nano is the fastest and cheapest model in the GPT-4.1 series. It delivers exceptional performance at a small size with its 1 million...
What OpenRouter says about GPT-4.1 Nano

Facts

Maker: OpenAI
Models: 1 on OpenRouter
Newest: openai/gpt-4.1-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 1

Model	Released	Context	Input / 1M	Output / 1M	Supports
GPT-4.1 Nano `openai/gpt-4.1-nano`	Apr 2025	1.05M	$0.10	$0.40	tools, structured output, caching, file, image

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

Do agents find, use and choose your tools?

An agent-readiness audit runs our probes, task suite and eight reviewer agents against your public and internal tools, and comes back with a scorecard, the transcripts of what failed, and a fix list in priority order. From $2,500, re-run included. We never take payment to move a rank. We do help companies earn one.