Updated Mar 12, 2026

Our Verdict

Grok 4.20 Beta

Kimi K2Runner-up

No community votes yet. On paper, Grok 4.20 Beta has the edge — newer, bigger context window, major provider backing.

Too close to call

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Run Grok 4.20 Beta vs Kimi K2 on your actual task. 5 free credits. No card.

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Grok 4.20 BetavsKimi K2

34 fights queued

Why Grok 4.20 Beta?

8 months newerMar 2026

Why Kimi K2?

2.7x cheaper overall$0.57/M in · $2.30/M out

Favorites

Grok 4.20 BetaKimi K2

Movie

The Matrix

The Matrix

Blade Runner

Blade Runner

Album

The Dark Side of the Moon

The Dark Side of the Moon

Dark Side Of The Moon

Dark Side Of The Moon

Book

The Hitch Hiker's Guide to the Galaxy

The Hitch Hiker's Guide to the Galaxy

The Left Hand of Darkness

The Left Hand of Darkness

Ursula K. Le Guin

City

Tokyo

Kyoto

Game

The Legend of Zelda: Ocarina of Time

The Legend of Zelda: Ocarina of Time

Adventure, Action4.4

Outer Wilds

Outer Wilds

Indie, Adventure4.4

12 / 34

01

Estimate Complexityreasoning

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

Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026text

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

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025text

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

Try this prompt

Vote

2 / 34

02

Logic Puzzlereasoning

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

Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026text

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

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025text

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

Try this prompt

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3 / 34

03

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026text

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

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025text

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

Try this prompt

Vote

4 / 34

04

Generate a Stand-Up Routineconversation

Tests an AI's humor and creative writing ability

Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026text

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

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025text

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

Try this prompt

Vote

5 / 34

05

Realistic AI Interviewconversation

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

Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026text

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

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025text

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

Try this prompt

Vote

6 / 34

06

Satirical Fake News Headlineconversation

Tests an AI's humor and understanding of current events

Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026text

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

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025text

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

Try this prompt

Vote

7 / 34

07

Character Voice Testconversation

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

Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026text

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

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025text

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

Try this prompt

Vote

8 / 34

08

Minimalist Landing Pageweb design

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

Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026website

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025website

Try this prompt

Vote

Which one handles your task better?

Paste your actual prompt. Same models, your work. 30 seconds.

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9 / 34

09

Pokémon Battle UI Recreationweb design

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

Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026website

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

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025website

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

Try this prompt

Vote

10 / 34

10

Mario Level UI Recreationweb design

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

Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026website

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Kimi K2

Kimi K2

Moonshotai · Jul 2025website

Try this prompt

Vote

11 / 34

11

Linear App Cloneweb design

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

Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026website

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

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025website

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

Try this prompt

Vote

12 / 34

12

Interactive Catan Boardweb design

Tests an AI's ability to create interactive web elements

Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026website

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

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025website

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

Try this prompt

Vote

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