What is the difference between GPT-5.4 Mini and GPT-5?

Both are developed by OpenAI but target different use cases. GPT-5.4 Mini has a 400K token context window vs GPT-5's 400K. You can compare their actual outputs across 46 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.4 Mini or GPT-5?

It depends on your use case. GPT-5.4 Mini and GPT-5 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 46 challenges so you can judge which fits your needs best.

How much does GPT-5.4 Mini cost compared to GPT-5?

GPT-5.4 Mini costs $0.75/M input tokens and GPT-5 costs $1.25/M input tokens. GPT-5.4 Mini is $0.50/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 on Rival?

This page shows a side-by-side comparison of GPT-5.4 Mini and GPT-5 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

46 fights queued

Why GPT-5.4 Mini?

2.2x cheaper overall$0.75/M in · $4.50/M out

7 months newerMar 2026

Why GPT-5?

Dead even. This one's a coin flip.

GPT-5.4 MiniGPT-5

Input price

$0.75/M

$1.25/M

Output price

$4.50/M

$10.00/M

Context

400K

Released

Mar 2026

Aug 2025

Favorites

GPT-5.4 MiniGPT-5

Movie

The Godfather

19728.7

—

Album

Kid A

Radiohead

—

Book

Pride and Prejudice

Jane Austen

—

City

Kyoto

Japan

—

Game

The Legend of Zelda: Breath of the Wild

Adventure, Action4.5

—

6 / 46

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

Openai · Aug 2025text

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

Try this prompt

Vote

2 / 46

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

Openai · Aug 2025svg

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

Try this prompt

Vote

3 / 46

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

Openai · Aug 2025text

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

Try this prompt

Vote

4 / 46

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

Openai · Aug 2025text

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

Try this prompt

Vote

5 / 46

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

Openai · Aug 2025svg

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

Try this prompt

Vote

6 / 46

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

Openai · Aug 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 Mini

GPT-5

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

Too close to call

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GPT-5.4 Mini vs GPT-5

Which is better, GPT-5.4 Mini or GPT-5?