Updated Mar 12, 2026

Our Verdict

Grok 4.20 Beta

OpenAI o3

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Grok 4.20 Beta is 6.7x cheaper per token — worth considering if cost matters.

Too close to call

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FAQ

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Grok 4.20 Beta vs Gemini 2.5 Pro Preview 06-05New provider

OpenAI o3 vs Pony AlphaNew provider

OpenAI o3 vs Claude Opus 4New provider

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Grok 4.20 BetavsOpenAI o3

45 fights queued

Why Grok 4.20 Beta?

6.4x cheaper overall$2.00/M in · $6.00/M out

11 months newerMar 2026

Why OpenAI o3?

Dead even. This one's a coin flip.

Favorites

Grok 4.20 BetaOpenAI o3

Movie

The Matrix

The Matrix

Blade Runner

Blade Runner

Album

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

—

City

Tokyo

Kyoto

Game

The Legend of Zelda: Ocarina of Time

The Legend of Zelda: Ocarina of Time

Adventure, Action4.4

—

12 / 45

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.

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OpenAI o3

OpenAI o3

Openai · Apr 2025text

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

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Vote

2 / 45

02

AI Board Game Logicreasoning

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

Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026svg

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

Try this prompt

OpenAI o3

OpenAI o3

Openai · Apr 2025svg

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

Try this prompt

Vote

3 / 45

03

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

OpenAI o3

OpenAI o3

Openai · Apr 2025text

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

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Vote

4 / 45

04

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

OpenAI o3

OpenAI o3

Openai · Apr 2025text

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

Try this prompt

Vote

5 / 45

05

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026svg

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

Try this prompt

OpenAI o3

OpenAI o3

Openai · Apr 2025svg

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

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Vote

6 / 45

06

Xbox Controller SVG Artimage generation

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

Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026svg

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

Try this prompt

OpenAI o3

OpenAI o3

Openai · Apr 2025svg

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

Try this prompt

Vote

7 / 45

07

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

OpenAI o3

OpenAI o3

Openai · Apr 2025text

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

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Vote

8 / 45

08

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

OpenAI o3

OpenAI o3

Openai · Apr 2025text

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

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 / 45

09

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

OpenAI o3

OpenAI o3

Openai · Apr 2025text

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

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Vote

10 / 45

10

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

OpenAI o3

OpenAI o3

Openai · Apr 2025text

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

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11 / 45

11

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

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OpenAI o3

OpenAI o3

Openai · Apr 2025website

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Vote

12 / 45

12

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

OpenAI o3

OpenAI o3

Openai · Apr 2025website

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

Try this prompt

Vote

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