What is the difference between Gemini 2.5 Pro Experimental and Mistral Small 4?

Gemini 2.5 Pro Experimental is developed by Google AI while Mistral Small 4 is developed by Mistral AI. Gemini 2.5 Pro Experimental has a 1.0M token context window vs Mistral Small 4's 262K. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

Which is better, Gemini 2.5 Pro Experimental or Mistral Small 4?

It depends on your use case. Gemini 2.5 Pro Experimental and Mistral Small 4 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.

How much does Gemini 2.5 Pro Experimental cost compared to Mistral Small 4?

Gemini 2.5 Pro Experimental costs $1/M input tokens and Mistral Small 4 costs $0.15/M input tokens. Mistral Small 4 is $0.85/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 Experimental and Mistral Small 4 on Rival?

This page shows a side-by-side comparison of Gemini 2.5 Pro Experimental and Mistral Small 4 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 16, 2026

Gemini 2.5 Pro ExperimentalvsMistral Small 4

37 fights queued

Why Gemini 2.5 Pro Experimental?

3.8x more context1.0M

Why Mistral Small 4?

3.8x cheaper overall$0.15/M in · $0.60/M out

12 months newerMar 2026

Favorites

Gemini 2.5 Pro ExperimentalMistral Small 4

Movie

200

2025

The Dark Knight

20088.5

Album

The Dark Side of the Moon

Pink Floyd

OK Computer

Radiohead

Book

The Hitchh

Братья Карамазовы

Фёдор Михайлович Достоевский

City

Kyoto

Japan

Kyoto

Japan

Game

Portal 2

Shooter, Puzzle4.6

The Legend of Zelda: Breath of the Wild

Adventure, Action4.5

6 / 37

AI Board Game Logicreasoning

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

Gemini 2.5 Pro Experimental

Google · Mar 2025svg

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

Try this prompt

Mistral Small 4

Mistral · Mar 2026svg

Try this prompt

Vote

2 / 37

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

Gemini 2.5 Pro Experimental

Google · Mar 2025text

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

Try this prompt

Mistral Small 4

Mistral · Mar 2026text

Here are five jokes for you:

Why don’t skeletons fight each other? They don’t have the guts.
Why did the scarecrow win an award? Because he was outstanding in his field!
What do you call fake spaghetti? An impasta!
Why can’t you explain puns to kleptomaniacs? Because they always take things literally.
Why did the math book look sad? Because it had too many problems.

Unique Count:

All five jokes are unique—none of them are repeated.

Would you like jokes on a specific topic? 😊

Try this prompt

Vote

3 / 37

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

Gemini 2.5 Pro Experimental

Google · Mar 2025svg

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

Try this prompt

Mistral Small 4

Mistral · Mar 2026svg

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

Try this prompt

Vote

4 / 37

Xbox Controller SVG Artimage generation

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

Gemini 2.5 Pro Experimental

Google · Mar 2025svg

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

Try this prompt

Mistral Small 4

Mistral · Mar 2026svg

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

Try this prompt

Vote

5 / 37

Generate a Stand-Up Routineconversation

Tests an AI's humor and creative writing ability

Gemini 2.5 Pro Experimental

Google · Mar 2025text

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

Try this prompt

Mistral Small 4

Mistral · Mar 2026text

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

Try this prompt

Vote

6 / 37

Realistic AI Interviewconversation

Tests an AI's ability to simulate personalities and predict future trends

Gemini 2.5 Pro Experimental

Google · Mar 2025text

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

Try this prompt

Mistral Small 4

Mistral · Mar 2026text

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

Try this prompt

Vote

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Our Verdict

Gemini 2.5 Pro Experimental

Mistral Small 4Runner-up

No community votes yet. On paper, Gemini 2.5 Pro Experimental has the edge — bigger model tier, bigger context window, major provider backing.

Mistral Small 4 is 3.3x cheaper per token — worth considering if cost matters.

Too close to call

These are our prompts. Yours will tell you more.

Run Gemini 2.5 Pro Experimental vs Mistral Small 4 on your actual task. 5 free credits. No card.

Test with your prompt

FAQ

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Gemini 2.5 Pro Experimental vs Mistral Small 4

Which is better, Gemini 2.5 Pro Experimental or Mistral Small 4?