Updated Nov 18, 2025

Our Verdict

Gemini 3 Pro Preview

Claude Opus 4

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

Writing DNA

Style Comparison

Similarity

96%

Claude Opus 4 uses 11.2x more emoji

Gemini 3 Pro Preview

Claude Opus 4

58%Vocabulary64%

17wSentence Length62w

0.37Hedging0.52

7.7Bold4.4

4.8Lists9.1

0.00Emoji0.11

0.90Headings1.87

0.25Transitions0.27

Based on 23 + 16 text responses

vs

Ask them anything yourself

Gemini 3 Pro Preview

Claude Opus 4

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

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Gemini 3 Pro Preview vs MiniMax M1New provider

Gemini 3 Pro Preview vs GPT-5New provider

Gemini 3 Pro Preview vs Claude Sonnet 4Cross-provider

Gemini 3 Pro PreviewvsClaude Opus 4

33 fights queued

Why Gemini 3 Pro Preview?

Leads 1 of 1 benchmarks

Stronger on SWE-bench Verified76.2% vs 72.5%

6 months newerNov 2025

Why Claude Opus 4?

Dead even. This one's a coin flip.

Gemini 3 Pro PreviewClaude Opus 4

Input price

—

$15.00/M

Output price

—

$75.00/M

Context

—

200K

Released

Nov 2025

May 2025

Benchmarks1 common

SWE-bench Verified

76.2%+4.9%

72.5%

Favorites

Gemini 3 Pro PreviewClaude Opus 4

Movie

The Matrix

The Matrix

Arrival

Arrival

Album

The Dark Side

The Dark Side of the Moon

The Dark Side of the Moon

Book

The Hitch Hiker's Guide to the Galaxy

The Hitch Hiker's Guide to the Galaxy

Cien años de soledad

Cien años de soledad

Gabriel García Márquez

City

Kyoto

Istanbul

Game

Tetris (1984)

Tetris (1984)

Portal 2

Portal 2

Shooter, Puzzle4.6

12 / 33

01

Logic Puzzlereasoning

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

Gemini 3 Pro Preview

Gemini 3 Pro Preview

Google · Nov 2025text

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

Try this prompt

Claude Opus 4

Claude Opus 4

Anthropic · May 2025text

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

Try this prompt

Vote

2 / 33

02

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

Gemini 3 Pro Preview

Gemini 3 Pro Preview

Google · Nov 2025text

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

Try this prompt

Claude Opus 4

Claude Opus 4

Anthropic · May 2025text

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

Try this prompt

Vote

3 / 33

03

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

Gemini 3 Pro Preview

Gemini 3 Pro Preview

Google · Nov 2025svg

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

Try this prompt

Claude Opus 4

Claude Opus 4

Anthropic · May 2025svg

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

Try this prompt

Vote

4 / 33

04

Xbox Controller SVG Artimage generation

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

Gemini 3 Pro Preview

Gemini 3 Pro Preview

Google · Nov 2025svg

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

Try this prompt

Claude Opus 4

Claude Opus 4

Anthropic · May 2025svg

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

Try this prompt

Vote

5 / 33

05

Generate a Stand-Up Routineconversation

Tests an AI's humor and creative writing ability

Gemini 3 Pro Preview

Gemini 3 Pro Preview

Google · Nov 2025text

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

Try this prompt

Claude Opus 4

Claude Opus 4

Anthropic · May 2025text

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

Try this prompt

Vote

6 / 33

06

Pokémon Battle UI Recreationweb design

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

Gemini 3 Pro Preview

Gemini 3 Pro Preview

Google · Nov 2025website

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

Try this prompt

Claude Opus 4

Claude Opus 4

Anthropic · May 2025website

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

Try this prompt

Vote

Sponsored

7 / 33

07

Mario Level UI Recreationweb design

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

Gemini 3 Pro Preview

Gemini 3 Pro Preview

Google · Nov 2025website

Try this prompt

Claude Opus 4

Claude Opus 4

Anthropic · May 2025website

Try this prompt

Vote

8 / 33

08

Linear App Cloneweb design

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

Gemini 3 Pro Preview

Gemini 3 Pro Preview

Google · Nov 2025website

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

Try this prompt

Claude Opus 4

Claude Opus 4

Anthropic · May 2025website

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

Try this prompt

Vote

9 / 33

09

Interactive Catan Boardweb design

Tests an AI's ability to create interactive web elements

Gemini 3 Pro Preview

Gemini 3 Pro Preview

Google · Nov 2025website

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

Try this prompt

Claude Opus 4

Claude Opus 4

Anthropic · May 2025website

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

Try this prompt

Vote

10 / 33

10

World Map SVGimage generation

Tests an AI's ability to create a detailed world map in SVG format

Gemini 3 Pro Preview

Gemini 3 Pro Preview

Google · Nov 2025svg

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

Try this prompt

Claude Opus 4

Claude Opus 4

Anthropic · May 2025svg

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

Try this prompt

Vote

11 / 33

11

Random Tailwind Webappweb design

Generate a single-page, self-contained HTML webapp using Tailwind CSS for a randomly chosen category/industry/niche.

Gemini 3 Pro Preview

Gemini 3 Pro Preview

Google · Nov 2025website

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

Try this prompt

Claude Opus 4

Claude Opus 4

Anthropic · May 2025website

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

Try this prompt

Vote

12 / 33

12

Surprise Animal SVGimage generation

Generate SVG art of a randomly chosen animal in a setting of its choosing.

Gemini 3 Pro Preview

Gemini 3 Pro Preview

Google · Nov 2025svg

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

Try this prompt

Claude Opus 4

Claude Opus 4

Anthropic · May 2025svg

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

Try this prompt

Vote

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