Updated Nov 21, 2025

Our Verdict

Grok 4.1 Fast

Inception: MercuryRunner-up

No community votes yet. On paper, Grok 4.1 Fast has the edge — bigger model tier, newer, major provider backing.

Slight edge

Writing DNA

Style Comparison

Similarity

97%

Inception: Mercury uses 4.3x more emoji

Grok 4.1 Fast

Inception: Mercury

67%Vocabulary55%

15wSentence Length40w

0.17Hedging0.39

4.7Bold4.9

3.7Lists3.8

0.00Emoji0.04

0.99Headings1.04

0.14Transitions0.03

Based on 24 + 17 text responses

vs

Ask them anything yourself

Grok 4.1 Fast

Inception: Mercury

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

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FAQ

Common questions

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Inception: Mercury vs OpenAI o3New provider

Inception: Mercury vs Llama 4 MaverickNew provider

Inception: Mercury vs Gemini 2.5 Pro (I/O Edition)New provider

Grok 4.1 FastvsInception: Mercury

47 fights queued

Why Grok 4.1 Fast?

5 months newerNov 2025

Why Inception: Mercury?

Dead even. This one's a coin flip.

Grok 4.1 FastInception: Mercury

Input price

—

$10.00/M

Output price

—

$10.00/M

Context

—

32K

Released

Nov 2025

Jun 2025

Favorites

Grok 4.1 FastInception: Mercury

Movie

The Matrix

The Matrix

Inception

Inception

Album

OK Computer

Kind of Blue

Book

The Hitch Hiker's Guide to the Galaxy

The Hitch Hiker's Guide to the Galaxy

To Kill a Mockingbird

To Kill a Mockingbird

City

Tokyo

—

Game

The Hitchhiker's Guide to the Galaxy

The Hitchhiker's Guide to the Galaxy

Minecraft

Minecraft

Action, Arcade4.4

12 / 47

01

AI Board Game Logicreasoning

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

Grok 4.1 Fast

Grok 4.1 Fast

Xai · Nov 2025svg

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

Try this prompt

Inception: Mercury

Inception: Mercury

Inception · Jun 2025svg

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

Try this prompt

Vote

2 / 47

02

Logic Puzzlereasoning

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

Grok 4.1 Fast

Grok 4.1 Fast

Xai · Nov 2025text

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

Try this prompt

Inception: Mercury

Inception: Mercury

Inception · Jun 2025text

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

Try this prompt

Vote

3 / 47

03

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

Grok 4.1 Fast

Grok 4.1 Fast

Xai · Nov 2025text

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

Try this prompt

Inception: Mercury

Inception: Mercury

Inception · Jun 2025text

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

Try this prompt

Vote

4 / 47

04

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

Grok 4.1 Fast

Grok 4.1 Fast

Xai · Nov 2025svg

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

Try this prompt

Inception: Mercury

Inception: Mercury

Inception · Jun 2025svg

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

Try this prompt

Vote

5 / 47

05

Xbox Controller SVG Artimage generation

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

Grok 4.1 Fast

Grok 4.1 Fast

Xai · Nov 2025svg

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

Try this prompt

Inception: Mercury

Inception: Mercury

Inception · Jun 2025svg

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

Try this prompt

Vote

6 / 47

06

Generate a Stand-Up Routineconversation

Tests an AI's humor and creative writing ability

Grok 4.1 Fast

Grok 4.1 Fast

Xai · Nov 2025text

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

Try this prompt

Inception: Mercury

Inception: Mercury

Inception · Jun 2025text

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

Try this prompt

Vote

Sponsored

7 / 47

07

Realistic AI Interviewconversation

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

Grok 4.1 Fast

Grok 4.1 Fast

Xai · Nov 2025text

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

Try this prompt

Inception: Mercury

Inception: Mercury

Inception · Jun 2025text

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

Try this prompt

Vote

8 / 47

08

Satirical Fake News Headlineconversation

Tests an AI's humor and understanding of current events

Grok 4.1 Fast

Grok 4.1 Fast

Xai · Nov 2025text

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

Try this prompt

Inception: Mercury

Inception: Mercury

Inception · Jun 2025text

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

Try this prompt

Vote

9 / 47

09

Character Voice Testconversation

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

Grok 4.1 Fast

Grok 4.1 Fast

Xai · Nov 2025text

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

Try this prompt

Inception: Mercury

Inception: Mercury

Inception · Jun 2025text

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

Try this prompt

Vote

10 / 47

10

Minimalist Landing Pageweb design

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

Grok 4.1 Fast

Grok 4.1 Fast

Xai · Nov 2025website

Try this prompt

Inception: Mercury

Inception: Mercury

Inception · Jun 2025website

Try this prompt

Vote

11 / 47

11

Pokémon Battle UI Recreationweb design

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

Grok 4.1 Fast

Grok 4.1 Fast

Xai · Nov 2025website

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

Try this prompt

Inception: Mercury

Inception: Mercury

Inception · Jun 2025website

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

Try this prompt

Vote

12 / 47

12

Three.js 3D Gameweb design

Create a 3D building and driving game in a single self-contained HTML file using Three.js. Tests an AI's ability to combine 3D graphics, game logic, and UI interactions on the web.

Grok 4.1 Fast

Grok 4.1 Fast

Xai · Nov 2025html

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

Try this prompt

Inception: Mercury

Inception: Mercury

Inception · Jun 2025html

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

Try this prompt

Vote

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