Updated Sep 25, 2025

Our Verdict

Google: Gemini 2.5 Flash Preview 09-2025

Claude 3.7 SonnetRunner-up

No community votes yet. On paper, Google: Gemini 2.5 Flash Preview 09-2025 has the edge — bigger model tier, newer, bigger context window.

Google: Gemini 2.5 Flash Preview 09-2025 is 6.0x cheaper per token — worth considering if cost matters.

Slight edge

Writing DNA

Style Comparison

Similarity

98%

Google: Gemini 2.5 Flash Preview 09-2025 uses 13.5x more emoji

Claude 3.7 Sonnet

Google: Gemini 2.5 Flash Preview 09-2025

62%Vocabulary53%

35wSentence Length19w

0.99Hedging0.30

1.2Bold5.8

4.3Lists3.1

0.00Emoji0.14

1.78Headings0.93

0.23Transitions0.22

Based on 13 + 22 text responses

vs

Ask them anything yourself

Claude 3.7 Sonnet

Google: Gemini 2.5 Flash Preview 09-2025

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

Google: Gemini 2.5 Flash Preview 09-2025 vs Llama 4 MaverickNew provider

Google: Gemini 2.5 Flash Preview 09-2025 vs GPT-5New provider

Claude 3.7 Sonnet vs MiniMax M2.5New provider

Claude 3.7 SonnetvsGoogle: Gemini 2.5 Flash Preview 09-2025

46 fights queued

Why Claude 3.7 Sonnet?

Dead even. This one's a coin flip.

Why Google: Gemini 2.5 Flash Preview 09-2025?

6.3x cheaper overall$0.30/M in · $2.50/M out

5.2x more context1.0M

7 months newerSep 2025

Claude 3.7 SonnetGoogle: Gemini 2.5 Flash Preview 09-2025

Input price

$3.00/M

$0.30/M

Output price

$15.00/M

$2.50/M

Context

200K

1.0M

Released

Feb 2025

Sep 2025

Favorites

Claude 3.7 SonnetGoogle: Gemini 2.5 Flash Preview 09-2025

Movie

The Shawshank Redemption

The Shawshank Redemption

Blade Runner

Blade Runner

Album

OK Computer

Dark Side Of The Moon

Dark Side Of The Moon

Book

To Kill a Mockingbird

To Kill a Mockingbird

Alice's Adventures in Wonderland

Alice's Adventures in Wonderland

City

Tokyo

Tokyo

Game

Portal 2

Portal 2

Shooter, Puzzle4.6

The Legend of Zelda: Breath of the Wild

The Legend of Zelda: Breath of the Wild

Adventure, Action4.5

12 / 46

01

Estimate Complexityreasoning

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

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text

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

Try this prompt

Google: Gemini 2.5 Flash Preview 09-2025

Google: Gemini 2.5 Flash Preview 09-2025

Google · Sep 2025text

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

Try this prompt

Vote

2 / 46

02

AI Board Game Logicreasoning

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

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025svg

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

Try this prompt

Google: Gemini 2.5 Flash Preview 09-2025

Google: Gemini 2.5 Flash Preview 09-2025

Google · Sep 2025svg

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

Try this prompt

Vote

3 / 46

03

Logic Puzzlereasoning

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

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text

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

Try this prompt

Google: Gemini 2.5 Flash Preview 09-2025

Google: Gemini 2.5 Flash Preview 09-2025

Google · Sep 2025text

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

Try this prompt

Vote

4 / 46

04

Math Misconception Testreasoning

Tests an AI's understanding of number representation

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text

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

Try this prompt

Google: Gemini 2.5 Flash Preview 09-2025

Google: Gemini 2.5 Flash Preview 09-2025

Google · Sep 2025text

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

Try this prompt

Vote

5 / 46

05

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text

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

Try this prompt

Google: Gemini 2.5 Flash Preview 09-2025

Google: Gemini 2.5 Flash Preview 09-2025

Google · Sep 2025text

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

Try this prompt

Vote

6 / 46

06

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025svg

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

Try this prompt

Google: Gemini 2.5 Flash Preview 09-2025

Google: Gemini 2.5 Flash Preview 09-2025

Google · Sep 2025svg

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

Try this prompt

Vote

Sponsored

7 / 46

07

Xbox Controller SVG Artimage generation

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

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025svg

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

Try this prompt

Google: Gemini 2.5 Flash Preview 09-2025

Google: Gemini 2.5 Flash Preview 09-2025

Google · Sep 2025svg

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

Try this prompt

Vote

8 / 46

08

Generate a Stand-Up Routineconversation

Tests an AI's humor and creative writing ability

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text

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

Try this prompt

Google: Gemini 2.5 Flash Preview 09-2025

Google: Gemini 2.5 Flash Preview 09-2025

Google · Sep 2025text

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

Try this prompt

Vote

9 / 46

09

Realistic AI Interviewconversation

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

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text

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

Try this prompt

Google: Gemini 2.5 Flash Preview 09-2025

Google: Gemini 2.5 Flash Preview 09-2025

Google · Sep 2025text

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

Try this prompt

Vote

10 / 46

10

Satirical Fake News Headlineconversation

Tests an AI's humor and understanding of current events

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text

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

Try this prompt

Google: Gemini 2.5 Flash Preview 09-2025

Google: Gemini 2.5 Flash Preview 09-2025

Google · Sep 2025text

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

Try this prompt

Vote

11 / 46

11

Character Voice Testconversation

Tests an AI's ability to write in distinct character voices

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text

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

Try this prompt

Google: Gemini 2.5 Flash Preview 09-2025

Google: Gemini 2.5 Flash Preview 09-2025

Google · Sep 2025text

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

Try this prompt

Vote

12 / 46

12

Minimalist Landing Pageweb design

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

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025website

Try this prompt

Google: Gemini 2.5 Flash Preview 09-2025

Google: Gemini 2.5 Flash Preview 09-2025

Google · Sep 2025website

Try this prompt

Vote

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