What is the difference between Gemini 2.5 Pro Preview 06-05 and GPT-5.4 Mini?

Gemini 2.5 Pro Preview 06-05 is developed by Google AI while GPT-5.4 Mini is developed by OpenAI. Gemini 2.5 Pro Preview 06-05 has a 1.0M token context window vs GPT-5.4 Mini's 400K. You can compare their actual outputs across 38 challenges on Rival to see how they differ in practice.

Which is better, Gemini 2.5 Pro Preview 06-05 or GPT-5.4 Mini?

It depends on your use case. Gemini 2.5 Pro Preview 06-05 and GPT-5.4 Mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 38 challenges so you can judge which fits your needs best.

How much does Gemini 2.5 Pro Preview 06-05 cost compared to GPT-5.4 Mini?

Gemini 2.5 Pro Preview 06-05 costs $1.25/M input tokens and GPT-5.4 Mini costs $0.75/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 Gemini 2.5 Pro Preview 06-05 and GPT-5.4 Mini on Rival?

This page shows a side-by-side comparison of Gemini 2.5 Pro Preview 06-05 and GPT-5.4 Mini 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

Gemini 2.5 Pro Preview 06-05vsGPT-5.4 Mini

38 fights queued

Why Gemini 2.5 Pro Preview 06-05?

2.6x more context1.0M

Why GPT-5.4 Mini?

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

10 months newerMar 2026

Gemini 2.5 Pro Preview 06-05GPT-5.4 Mini

Input price

$1.25/M

$0.75/M

Output price

$10.00/M

$4.50/M

Context

1.0M

400K

Released

Jun 2025

Mar 2026

Favorites

Gemini 2.5 Pro Preview 06-05GPT-5.4 Mini

Movie

200

2025

The Godfather

19728.7

Album

THE

tricot

Kid A

Radiohead

Book

The Hitch Hiker's Guide to the Galaxy

Douglas Adams

Pride and Prejudice

Jane Austen

City

Kyoto

Japan

Kyoto

Japan

Game

Portal

Action, Puzzle4.5

The Legend of Zelda: Breath of the Wild

Adventure, Action4.5

6 / 38

Estimate Complexityreasoning

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

Gemini 2.5 Pro Preview 06-05

Google · Jun 2025text

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

Try this prompt

GPT-5.4 Mini

Openai · Mar 2026text

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

Try this prompt

Vote

2 / 38

AI Board Game Logicreasoning

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

Gemini 2.5 Pro Preview 06-05

Google · Jun 2025svg

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

Try this prompt

GPT-5.4 Mini

Openai · Mar 2026svg

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

Try this prompt

Vote

3 / 38

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

Gemini 2.5 Pro Preview 06-05

Google · Jun 2025text

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

Try this prompt

GPT-5.4 Mini

Openai · Mar 2026text

Here are 5 jokes:

I told my computer I needed a break, and now it won’t stop sending me KitKat ads.
Why don’t scientists trust atoms? Because they make up everything.
I used to play piano by ear, but now I use my hands.
Why did the scarecrow win an award? Because he was outstanding in his field.
I’m reading a book on anti-gravity. It’s impossible to put down.

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

Try this prompt

Vote

4 / 38

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

Gemini 2.5 Pro Preview 06-05

Google · Jun 2025svg

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

Try this prompt

GPT-5.4 Mini

Openai · Mar 2026svg

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

Try this prompt

Vote

5 / 38

Xbox Controller SVG Artimage generation

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

Gemini 2.5 Pro Preview 06-05

Google · Jun 2025svg

Try this prompt

GPT-5.4 Mini

Openai · Mar 2026svg

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

Try this prompt

Vote

6 / 38

Generate a Stand-Up Routineconversation

Tests an AI's humor and creative writing ability

Gemini 2.5 Pro Preview 06-05

Google · Jun 2025text

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

Try this prompt

GPT-5.4 Mini

Openai · Mar 2026text

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

Try this prompt

Vote

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Find Your Model

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Our Verdict

Gemini 2.5 Pro Preview 06-05

GPT-5.4 MiniRunner-up

No community votes yet. On paper, Gemini 2.5 Pro Preview 06-05 has the edge — bigger model tier, bigger context window.

Too close to call

These are our prompts. Yours will tell you more.

Run Gemini 2.5 Pro Preview 06-05 vs GPT-5.4 Mini on your actual task. 5 free credits. No card.

Test with your prompt

FAQ

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Gemini 2.5 Pro Preview 06-05 vs GPT-5.4 Mini

Which is better, Gemini 2.5 Pro Preview 06-05 or GPT-5.4 Mini?