What is the difference between GPT-5.4 Nano and GPT-4.1 Nano?

Both are developed by OpenAI but target different use cases. GPT-5.4 Nano has a 400K token context window vs GPT-4.1 Nano's 1.0M. You can compare their actual outputs across 39 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.4 Nano or GPT-4.1 Nano?

It depends on your use case. GPT-5.4 Nano and GPT-4.1 Nano each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 39 challenges so you can judge which fits your needs best.

How much does GPT-5.4 Nano cost compared to GPT-4.1 Nano?

GPT-5.4 Nano costs $0.2/M input tokens and GPT-4.1 Nano costs $0.1/M input tokens. GPT-4.1 Nano is $0.10/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare GPT-5.4 Nano and GPT-4.1 Nano on Rival?

This page shows a side-by-side comparison of GPT-5.4 Nano and GPT-4.1 Nano across shared challenges. You can vote on which model produced the better output, and Pro users can create custom challenges to test both models with their own prompts.

Rival

Updated Mar 17, 2026

GPT-5.4 NanovsGPT-4.1 Nano

39 fights queued

Why GPT-5.4 Nano?

11 months newerMar 2026

Why GPT-4.1 Nano?

3x cheaper overall$0.10/M in · $0.40/M out

2.6x more context1.0M

GPT-5.4 NanoGPT-4.1 Nano

Input price

$0.20/M

$0.10/M

Output price

$1.25/M

$0.40/M

Context

400K

1.0M

Released

Mar 2026

Apr 2025

Favorites

GPT-5.4 NanoGPT-4.1 Nano

Movie

The Matrix

19998.2

Inception

20108.4

Album

To Pimp a Butterfly

Kendrick Lamar

In the Aeroplane Over the Sea

Neutral Milk Hotel

Book

To Kill a Mockingbird

Harper Lee

The Hitch Hiker's Guide to the Galaxy

Douglas Adams

City

Tokyo

Japan

Kyoto

Japan

Game

The Legend of Zelda: Ocarina of Time

Adventure, Action4.4

The Legend of Zelda: Breath of the Wild

Adventure, Action4.5

6 / 39

Estimate Complexityreasoning

Tests an AI's ability to make educated estimates based on technical knowledge

GPT-5.4 Nano

Openai · Mar 2026text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT-4.1 Nano

Openai · Apr 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

2 / 39

AI Board Game Logicreasoning

Tests an AI's ability to understand game rules and strategy

GPT-5.4 Nano

Openai · Mar 2026svg

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT-4.1 Nano

Openai · Apr 2025svg

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

3 / 39

Logic Puzzlereasoning

Tests an AI's ability to solve a simple but potentially confusing logic puzzle

GPT-5.4 Nano

Openai · Mar 2026text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT-4.1 Nano

Openai · Apr 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

4 / 39

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

GPT-5.4 Nano

Openai · Mar 2026text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT-4.1 Nano

Openai · Apr 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

5 / 39

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

GPT-5.4 Nano

Openai · Mar 2026svg

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT-4.1 Nano

Openai · Apr 2025svg

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

6 / 39

Xbox Controller SVG Artimage generation

Tests an AI's ability to create detailed SVG illustrations of gaming hardware

GPT-5.4 Nano

Openai · Mar 2026svg

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

GPT-4.1 Nano

Openai · Apr 2025svg

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

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Our Verdict

GPT-5.4 Nano

GPT-4.1 Nano

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

GPT-4.1 Nano is 3.1x cheaper per token — worth considering if cost matters.

Too close to call

These are our prompts. Yours will tell you more.

Run GPT-5.4 Nano vs GPT-4.1 Nano on your actual task. 5 free credits. No card.

Test with your prompt

FAQ

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GPT-5.4 Nano vs GPT-4.1 Nano

Which is better, GPT-5.4 Nano or GPT-4.1 Nano?