Updated Nov 13, 2025

Our Verdict

GPT-5.1-Codex-Mini

Llama 4 Maverick

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

98%

Llama 4 Maverick uses 9.6x more headings

GPT-5.1-Codex-Mini

Llama 4 Maverick

65%Vocabulary42%

20wSentence Length24w

0.56Hedging0.76

3.3Bold3.7

3.4Lists6.3

0.00Emoji0.00

0.08Headings0.74

0.05Transitions0.11

Based on 13 + 12 text responses

vs

Ask them anything yourself

GPT-5.1-Codex-Mini

Llama 4 Maverick

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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GPT-5.1-Codex-Mini vs Claude Opus 4.1New provider

GPT-5.1-Codex-Mini vs MiniMax M2.5New provider

GPT-5.1-Codex-Mini vs Grok 3New provider

GPT-5.1-Codex-MinivsLlama 4 Maverick

48 fights queued

Why GPT-5.1-Codex-Mini?

7 months newerNov 2025

Why Llama 4 Maverick?

2x cheaper overall$1.50/M in · $2.50/M out

2.5x more context1.0M

GPT-5.1-Codex-MiniLlama 4 Maverick

Input price

$1.50/M

$1.50/M

Output price

$6.00/M

$2.50/M

Context

400K

1.0M

Released

Nov 2025

Apr 2025

Favorites

GPT-5.1-Codex-MiniLlama 4 Maverick

Movie

Blade Runner 2049

Blade Runner 2049

Blade Runner

Blade Runner

Album

Dark Side Of The Moon

Dark Side Of The Moon

OK Computer

Book

The Hitch Hiker's Guide to the Galaxy

The Hitch Hiker's Guide to the Galaxy

Nineteen Eighty-Four

Nineteen Eighty-Four

City

Kyoto

Tokyo

Game

The Legend of Zelda: Ocarina of Time

The Legend of Zelda: Ocarina of Time

Adventure, Action4.4

Portal

Portal

Action, Puzzle4.5

12 / 48

01

Estimate Complexityreasoning

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

GPT-5.1-Codex-Mini

GPT-5.1-Codex-Mini

Openai · Nov 2025text

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

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Llama 4 Maverick

Llama 4 Maverick

Meta · Apr 2025text

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

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2 / 48

02

AI Board Game Logicreasoning

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

GPT-5.1-Codex-Mini

GPT-5.1-Codex-Mini

Openai · Nov 2025svg

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

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Llama 4 Maverick

Llama 4 Maverick

Meta · Apr 2025svg

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3 / 48

03

Logic Puzzlereasoning

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

GPT-5.1-Codex-Mini

GPT-5.1-Codex-Mini

Openai · Nov 2025text

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

Try this prompt

Llama 4 Maverick

Llama 4 Maverick

Meta · Apr 2025text

Step 1: Understand the given information

Sally is a girl and she has 3 brothers.

Step 2: Analyze the information about the brothers and their sisters

Each of Sally's brothers has 2 sisters. Since Sally is one of the sisters, the other sister is not Sally.

Step 3: Determine the number of sisters Sally has

If each brother has 2 sisters and Sally is one of them, then the other sister must be the same for all brothers because they all share the same siblings. This means there is only 1 other sister besides Sally.

Step 4: Conclude the number of sisters Sally has

Since Sally is one of the sisters to her brothers, and there is only 1 other sister, Sally has 1 sister.

The final answer is: $\boxed{1}$

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4 / 48

04

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

GPT-5.1-Codex-Mini

GPT-5.1-Codex-Mini

Openai · Nov 2025text

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

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Llama 4 Maverick

Llama 4 Maverick

Meta · Apr 2025text

Here are 5 jokes:

Why don't scientists trust atoms? Because they make up everything.
Why don't eggs tell jokes? They'd crack each other up.
Why did the scarecrow win an award? Because he was outstanding in his field.
Why don't scientists trust atoms? Because they make up everything.
What do you call a fake noodle? An impasta.

Let's count the unique jokes:

Why don't scientists trust atoms? Because they make up everything. ( duplicate, already counted as #1)
Why don't eggs tell jokes? They'd crack each other up.
Why did the scarecrow win an award? Because he was outstanding in his field.
What do you call a fake noodle? An impasta.

There are 4 unique jokes. The first and fourth jokes are the same, so it reduces the count by 1.

So the answer is 4.

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5 / 48

05

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

GPT-5.1-Codex-Mini

GPT-5.1-Codex-Mini

Openai · Nov 2025svg

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

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Llama 4 Maverick

Llama 4 Maverick

Meta · Apr 2025svg

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

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6 / 48

06

Xbox Controller SVG Artimage generation

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

GPT-5.1-Codex-Mini

GPT-5.1-Codex-Mini

Openai · Nov 2025svg

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

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Llama 4 Maverick

Llama 4 Maverick

Meta · Apr 2025svg

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

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Sponsored

7 / 48

07

Generate a Stand-Up Routineconversation

Tests an AI's humor and creative writing ability

GPT-5.1-Codex-Mini

GPT-5.1-Codex-Mini

Openai · Nov 2025text

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

Try this prompt

Llama 4 Maverick

Llama 4 Maverick

Meta · Apr 2025text

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

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8 / 48

08

Realistic AI Interviewconversation

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

GPT-5.1-Codex-Mini

GPT-5.1-Codex-Mini

Openai · Nov 2025text

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

Try this prompt

Llama 4 Maverick

Llama 4 Maverick

Meta · Apr 2025text

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

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9 / 48

09

Satirical Fake News Headlineconversation

Tests an AI's humor and understanding of current events

GPT-5.1-Codex-Mini

GPT-5.1-Codex-Mini

Openai · Nov 2025text

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

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Llama 4 Maverick

Llama 4 Maverick

Meta · Apr 2025text

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

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10 / 48

10

Character Voice Testconversation

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

GPT-5.1-Codex-Mini

GPT-5.1-Codex-Mini

Openai · Nov 2025text

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

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Llama 4 Maverick

Llama 4 Maverick

Meta · Apr 2025text

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

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11 / 48

11

Minimalist Landing Pageweb design

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

GPT-5.1-Codex-Mini

GPT-5.1-Codex-Mini

Openai · Nov 2025website

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Llama 4 Maverick

Llama 4 Maverick

Meta · Apr 2025website

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12 / 48

12

Pokémon Battle UI Recreationweb design

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

GPT-5.1-Codex-Mini

GPT-5.1-Codex-Mini

Openai · Nov 2025website

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

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Llama 4 Maverick

Llama 4 Maverick

Meta · Apr 2025website

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

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Vote

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