Updated Mar 25, 2025

Our Verdict

Gemini 2.5 Pro ExperimentalWinner

DeepSeek R1Runner-up

Pick Gemini 2.5 Pro Experimental. In 63 blind votes, Gemini 2.5 Pro Experimental wins 80% of the time. That's not luck.

Gemini 2.5 Pro Experimental particularly excels in Image Generation, Reasoning, Web Design.

Clear winner

Writing DNA

Style Comparison

Similarity

100%

DeepSeek R1 uses 4.3x more emoji

DeepSeek R1

Gemini 2.5 Pro Experimental

62%Vocabulary54%

15wSentence Length15w

0.52Hedging0.35

8.0Bold5.6

5.7Lists3.9

0.04Emoji0.00

0.62Headings0.39

0.28Transitions0.17

Based on 22 + 18 text responses

vs

Ask them anything yourself

DeepSeek R1

Gemini 2.5 Pro Experimental

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026

Free preview13 of 58 slides

Download the free preview or get all 58 slides for $49

FAQ

Common questions

Keep going

DeepSeek R1 vs Llama 4 MaverickNew provider

DeepSeek R1 vs GPT-5New provider

DeepSeek R1 vs MiniMax M2.5New provider

DeepSeek R1vsGemini 2.5 Pro Experimental

38 fights queued

Why DeepSeek R1?

Dead even. This one's a coin flip.

Why Gemini 2.5 Pro Experimental?

7.8x more context1.0M

Leads 3 of 3 benchmarks

Stronger on SWE-bench Verified63.8% vs 49.2%

2 months newerMar 2025

DeepSeek R1Gemini 2.5 Pro Experimental

Input price

$0.55/M

$1.00/M

Output price

$2.19/M

$2.00/M

Context

128K

1.0M

Released

Feb 2025

Mar 2025

Benchmarks3 common

83.4%

90.0%+7.3%

72.6%

83.5%+13.1%

SWE-bench Verified

49.2%

63.8%+22.9%

Favorites

DeepSeek R1Gemini 2.5 Pro Experimental

Movie

The Godfather

The Godfather

Khiam 2000-2007

Khiam 2000-2007

Album

The Dark Side of the Moon

The Dark Side of the Moon

The Dark Side of the Moon

The Dark Side of the Moon

Book

Pride and Prejudice

Pride and Prejudice

The Hitchh

City

Kyoto

Kyoto

Game

The Legend of Zelda: Ocarina of Time

The Legend of Zelda: Ocarina of Time

Adventure, Action4.4

Portal 2

Portal 2

Shooter, Puzzle4.6

12 / 38

01

AI Board Game Logicreasoning

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

DeepSeek R1

DeepSeek R1

Deepseek · Feb 2025svg

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

Try this prompt

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025svg

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

Try this prompt

Vote

2 / 38

02

Math Misconception Testreasoning

Tests an AI's understanding of number representation

DeepSeek R1

DeepSeek R1

Deepseek · Feb 2025text

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

Try this prompt

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025text

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

Try this prompt

Vote

3 / 38

03

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

DeepSeek R1

DeepSeek R1

Deepseek · Feb 2025text

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

Try this prompt

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025text

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

Try this prompt

Vote

4 / 38

04

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

DeepSeek R1

DeepSeek R1

Deepseek · Feb 2025svg

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

Try this prompt

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025svg

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

Try this prompt

Vote

5 / 38

05

Xbox Controller SVG Artimage generation

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

DeepSeek R1

DeepSeek R1

Deepseek · Feb 2025svg

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

Try this prompt

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025svg

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

Try this prompt

Vote

6 / 38

06

Generate a Stand-Up Routineconversation

Tests an AI's humor and creative writing ability

DeepSeek R1

DeepSeek R1

Deepseek · Feb 2025text

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

Try this prompt

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025text

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

Try this prompt

Vote

Sponsored

7 / 38

07

Realistic AI Interviewconversation

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

DeepSeek R1

DeepSeek R1

Deepseek · Feb 2025text

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

Try this prompt

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025text

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

Try this prompt

Vote

8 / 38

08

Satirical Fake News Headlineconversation

Tests an AI's humor and understanding of current events

DeepSeek R1

DeepSeek R1

Deepseek · Feb 2025text

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

Try this prompt

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025text

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

Try this prompt

Vote

9 / 38

09

Minimalist Landing Pageweb design

Tests an AI's ability to generate a complete, working landing page

DeepSeek R1

DeepSeek R1

Deepseek · Feb 2025website

Try this prompt

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025website

Try this prompt

Vote

10 / 38

10

Pokémon Battle UI Recreationweb design

Recreate an interactive, nostalgic Pokémon battle UI in a single HTML file.

DeepSeek R1

DeepSeek R1

Deepseek · Feb 2025website

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

Try this prompt

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025website

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

Try this prompt

Vote

11 / 38

11

Mario Level UI Recreationweb design

Recreate an interactive, classic Mario level in a single HTML file.

DeepSeek R1

DeepSeek R1

Deepseek · Feb 2025website

Try this prompt

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025website

Try this prompt

Vote

12 / 38

12

Linear App Cloneweb design

Tests an AI's ability to replicate an existing UI with Tailwind CSS

DeepSeek R1

DeepSeek R1

Deepseek · Feb 2025website

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

Try this prompt

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025website

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

Try this prompt

Vote

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