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

Both are developed by OpenAI but target different use cases. GPT-5.4 Mini has a 400K token context window vs GPT-5.4 Nano's 400K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

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

It depends on your use case. GPT-5.4 Mini and GPT-5.4 Nano each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

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

GPT-5.4 Mini costs $0.75/M input tokens and GPT-5.4 Nano costs $0.2/M input tokens. GPT-5.4 Nano is $0.55/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 Mini and GPT-5.4 Nano on Rival?

This page shows a side-by-side comparison of GPT-5.4 Mini and GPT-5.4 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 MinivsGPT-5.4 Nano

48 fights queued

Why GPT-5.4 Mini?

Dead even. This one's a coin flip.

Why GPT-5.4 Nano?

3.6x cheaper overall$0.20/M in · $1.25/M out

GPT-5.4 MiniGPT-5.4 Nano

Input price

$0.75/M

$0.20/M

Output price

$4.50/M

$1.25/M

Context

400K

Released

Mar 2026

Favorites

GPT-5.4 MiniGPT-5.4 Nano

Movie

The Godfather

19728.7

The Matrix

19998.2

Album

Kid A

Radiohead

To Pimp a Butterfly

Kendrick Lamar

Book

Pride and Prejudice

Jane Austen

To Kill a Mockingbird

Harper Lee

City

Kyoto

Japan

Tokyo

Japan

Game

The Legend of Zelda: Breath of the Wild

Adventure, Action4.5

The Legend of Zelda: Ocarina of Time

Adventure, Action4.4

6 / 48

Estimate Complexityreasoning

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

GPT-5.4 Mini

Openai · Mar 2026text

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

Try this prompt

GPT-5.4 Nano

Openai · Mar 2026text

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

Try this prompt

Vote

2 / 48

AI Board Game Logicreasoning

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

GPT-5.4 Mini

Openai · Mar 2026svg

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

Try this prompt

GPT-5.4 Nano

Openai · Mar 2026svg

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

Try this prompt

Vote

3 / 48

Logic Puzzlereasoning

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

GPT-5.4 Mini

Openai · Mar 2026text

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

Try this prompt

GPT-5.4 Nano

Openai · Mar 2026text

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

Try this prompt

Vote

4 / 48

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

GPT-5.4 Mini

Openai · Mar 2026text

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

Try this prompt

GPT-5.4 Nano

Openai · Mar 2026text

Here are 5 jokes:

I told my computer I needed a break, and it said, “No problem—I’ll go to sleep.”
Why don’t scientists trust atoms? Because they make up everything.
I used to hate facial hair… but then it grew on me.
Parallel lines have so much in common. It’s a shame they’ll never meet.
Why did the scarecrow win an award? Because he was outstanding in his field.

How many are unique?
5 — all five are different.

Try this prompt

Vote

5 / 48

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

GPT-5.4 Mini

Openai · Mar 2026svg

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

Try this prompt

GPT-5.4 Nano

Openai · Mar 2026svg

Try this prompt

Vote

6 / 48

Xbox Controller SVG Artimage generation

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

GPT-5.4 Mini

Openai · Mar 2026svg

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

Try this prompt

GPT-5.4 Nano

Openai · Mar 2026svg

Try this prompt

Vote

This matchup has more rounds

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Find Your Model

Static demos are useful. Your prompt matters more.

Run this matchup on your actual task. 30 seconds. No card.

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Take the blind test

Our Verdict

GPT-5.4 Mini

GPT-5.4 NanoRunner-up

No community votes yet. On paper, GPT-5.4 Mini has the edge — bigger model tier.

GPT-5.4 Nano is 3.6x 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 Mini vs GPT-5.4 Nano on your actual task. 5 free credits. No card.

Test with your prompt

FAQ

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GPT-5.4 Mini vs GPT-5.4 Nano

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