Updated Nov 21, 2025

Our Verdict

Grok 4.1 Fast

Qwen3 Coder PlusRunner-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%

Qwen3 Coder Plus uses 14.8x more emoji

Grok 4.1 Fast

Qwen3 Coder Plus

67%Vocabulary65%

15wSentence Length54w

0.17Hedging0.74

4.7Bold3.6

3.7Lists6.0

0.00Emoji0.15

0.99Headings1.72

0.14Transitions0.16

Based on 24 + 22 text responses

vs

Ask them anything yourself

Grok 4.1 Fast

Qwen3 Coder Plus

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

Grok 4.1 Fast vs MiniMax M2.5New provider

Qwen3 Coder Plus vs Pony AlphaNew provider

Qwen3 Coder Plus vs OpenAI o3New provider

Grok 4.1 FastvsQwen3 Coder Plus

50 fights queued

Why Grok 4.1 Fast?

2 months newerNov 2025

Why Qwen3 Coder Plus?

Dead even. This one's a coin flip.

Grok 4.1 FastQwen3 Coder Plus

Input price

—

$1.00/M

Output price

—

$5.00/M

Context

—

128K

Released

Nov 2025

Sep 2025

Favorites

Grok 4.1 FastQwen3 Coder Plus

Movie

The Matrix

The Matrix

The Shawshank Redemption

The Shawshank Redemption

Album

OK Computer

OK Computer

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

Tokyo

Game

The Hitchhiker's Guide to the Galaxy

The Hitchhiker's Guide to the Galaxy

The Legend of Zelda: Ocarina of Time

The Legend of Zelda: Ocarina of Time

Adventure, Action4.4

12 / 50

01

Estimate Complexityreasoning

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

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

Qwen3 Coder Plus

Qwen3 Coder Plus

Qwen · Sep 2025text

I'll estimate the FLOPs required to train GPT-3 by breaking this down into key components.

Key Parameters of GPT-3

Parameters: ~175 billion (1.75 × 10¹¹)
Training tokens: ~300 billion (3 × 10¹¹)
Context window: 2048 tokens

Step-by-Step Calculation

1. FLOPs per token forward pass

For a transformer model, the forward pass FLOPs are dominated by:

Matrix multiplications in attention and MLP layers
Roughly 2× the number of parameters for a forward pass
Forward pass FLOPs ≈ 2 × 175 billion = 350 billion FLOPs per token

2. FLOPs per token backward pass

Backward pass typically requires 2-3× more FLOPs than forward pass
Let's use 3×: 3 × 350 billion = 1.05 trillion FLOPs per token

3. Total FLOPs per token (forward + backward)

350 billion + 1.05 trillion = 1.4 trillion FLOPs per token

4. Accounting for multiple training epochs

GPT-3 was trained on ~300 billion tokens
This represents roughly 1-2 epochs over the training dataset
Let's assume ~1.5 epochs effective training

5. Total training FLOPs

1.4 trillion FLOPs/token × 300 billion tokens × 1.5 epochs
= 1.4 × 10¹² × 3 × 10¹¹ × 1.5
= 6.3 × 10²³ FLOPs
≈ 630 exaFLOPs or 0.63 zettaFLOPs

Additional Considerations

Attention overhead: Multi-head attention adds complexity, but much is already captured in parameter count
Optimizer costs: Adam optimizer requires additional FLOPs, roughly doubling the compute
Infrastructure overhead: Data loading, communication, etc.

Refined Estimate

Including optimizer overhead and other factors, I estimate: 1000-2000 exaFLOPs (1-2 zettaFLOPs) for training GPT-3

This aligns with published estimates that place GPT-3 training around 3.14 × 10²³ FLOPs, suggesting my reasoning is in the right ballpark.

Try this prompt

Vote

2 / 50

02

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

Qwen3 Coder Plus

Qwen3 Coder Plus

Qwen · Sep 2025svg

Try this prompt

Vote

3 / 50

03

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

Qwen3 Coder Plus

Qwen3 Coder Plus

Qwen · Sep 2025text

I need to figure out how many sisters Sally has.

Let me break this down step by step:

Sally has 3 brothers
Each brother has 2 sisters

Since Sally is one of the girls in the family, and each brother has 2 sisters, this means there are 2 sisters total that the brothers count.

One of those sisters is Sally herself, so there must be 1 additional sister.

Therefore, Sally has 1 sister.

To verify: Sally + 1 sister = 2 sisters total, and each of the 3 brothers correctly has 2 sisters (Sally and her sister).

Try this prompt

Vote

4 / 50

04

Math Misconception Testreasoning

Tests an AI's understanding of number representation

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

Qwen3 Coder Plus

Qwen3 Coder Plus

Qwen · Sep 2025text

No, 9.11 is not greater than 9.9.

To compare these numbers, I can look at them digit by digit:

Both numbers have 9 in the ones place
In the tenths place: 9.11 has 1, while 9.9 has 9
Since 1 < 9, we can conclude that 9.11 < 9.9

Another way to see this is to write 9.9 as 9.90:

9.11 vs 9.90
Clearly 9.11 < 9.90

Therefore, 9.9 is greater than 9.11.

Try this prompt

Vote

5 / 50

05

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

Qwen3 Coder Plus

Qwen3 Coder Plus

Qwen · Sep 2025text

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

Try this prompt

Vote

6 / 50

06

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

Qwen3 Coder Plus

Qwen3 Coder Plus

Qwen · Sep 2025svg

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

Try this prompt

Vote

Sponsored

7 / 50

07

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

Qwen3 Coder Plus

Qwen3 Coder Plus

Qwen · Sep 2025svg

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

Try this prompt

Vote

8 / 50

08

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

Qwen3 Coder Plus

Qwen3 Coder Plus

Qwen · Sep 2025text

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

Try this prompt

Vote

9 / 50

09

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

Qwen3 Coder Plus

Qwen3 Coder Plus

Qwen · Sep 2025text

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

Try this prompt

Vote

10 / 50

10

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

Qwen3 Coder Plus

Qwen3 Coder Plus

Qwen · Sep 2025text

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

Try this prompt

Vote

11 / 50

11

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

Qwen3 Coder Plus

Qwen3 Coder Plus

Qwen · Sep 2025text

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

Try this prompt

Vote

12 / 50

12

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

Qwen3 Coder Plus

Qwen3 Coder Plus

Qwen · Sep 2025website

Try this prompt

Vote

This matchup has more rounds

38+ more head-to-head results. Free. Not a trick.

Free account. No card required. By continuing, you agree to Rival's Terms and Privacy Policy