Updated Mar 12, 2026

Our Verdict

Grok 4.20 Beta

Claude Sonnet 3.6 (2022-10-22)Runner-up

No community votes yet. On paper, Grok 4.20 Beta has the edge — bigger model tier, newer, bigger context window.

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Claude Sonnet 3.6 (2022-10-22)vsGrok 4.20 Beta

37 fights queued

Why Claude Sonnet 3.6 (2022-10-22)?

Dead even. This one's a coin flip.

Why Grok 4.20 Beta?

2.3x cheaper overall$2.00/M in · $6.00/M out

10x more context2.0M

22 months newerMar 2026

Favorites

Claude Sonnet 3.6 (2022-10-22)Grok 4.20 Beta

Movie

The Princess Bride

The Princess Bride

The Matrix

The Matrix

Album

Kind of Blue

The Dark Side of the Moon

The Dark Side of the Moon

Book

Братья Карамазовы

Братья Карамазовы

Фёдор Михайлович Достоевский

The Hitch Hiker's Guide to the Galaxy

The Hitch Hiker's Guide to the Galaxy

City

Tokyo

Tokyo

Game

Portal

Portal

Action, Puzzle4.5

The Legend of Zelda: Ocarina of Time

The Legend of Zelda: Ocarina of Time

Adventure, Action4.4

12 / 37

01

Estimate Complexityreasoning

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

Claude Sonnet 3.6 (2022-10-22)

Claude Sonnet 3.6 (2022-10-22)

Anthropic · Jun 2024text

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

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Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026text

Estimated total FLOPs for training GPT-3: ~3.4 × 10²³ FLOPs

Step-by-Step Reasoning

1. Model size (parameters)

GPT-3 (the 175B model) has 175 billion parameters.
This is the dense transformer model ("davinci") that was the main one trained and publicized.

2. Tokens seen during training

The GPT-3 paper states the model was trained on 300 billion tokens (from a filtered version of Common Crawl + other datasets).
This is the standard figure used in the literature and in follow-on analyses (e.g., Hoffmann et al. 2022, Kaplan et al. 2020 scaling laws).

3. FLOPs per token for a transformer (forward + backward pass)

For a dense transformer, the dominant cost is the matrix multiplications in the attention and feed-forward layers.

A widely accepted approximation used in the community (from Kaplan, Hoffmann, DeepMind, NVIDIA, etc.) is:

FLOPs per token ≈ 6 × N

where N is the number of parameters.

Why 6N?

Forward pass ≈ 2N FLOPs per token (each parameter is used once in a matrix multiply).
Backward pass (gradients w.r.t. weights + activations) is roughly twice as expensive as the forward pass.
Total ≈ 6N FLOPs per token.

This approximation is very accurate for large dense transformers when sequence length is not extremely long (GPT-3 uses 2048 tokens).

4. Total FLOPs calculation

Total training FLOPs ≈ 6 × N × D

where:

N = 175 × 10⁹ parameters
D = 300 × 10⁹ tokens

Plugging in the numbers:

6 × 175e9 × 300e9 = 6 × 175 × 300 × 10¹⁸
= 6 × 52,500 × 10¹⁸
= 315,000 × 10¹⁸
= 3.15 × 10²³

5. Adjustments / realism check

Some papers use slightly different constants (e.g., 6.4N when including embedding and other minor terms, or 5.5–6.5N depending on implementation).
GPT-3 also used some mixture of data sources and possibly a small amount of repeated data, but 300B tokens is the headline number.
The final published figure that is most commonly cited in the literature (including in the Chinchilla paper, PaLM reports, etc.) is ≈ 3.14–3.5 × 10²³ FLOPs.

My estimate of ~3.4 × 10²³ is a rounded value that accounts for minor overheads and is consistent with what most AI scaling researchers use.

Final Answer: ~3.4 × 10²³ FLOPs

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2 / 37

02

AI Board Game Logicreasoning

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

Claude Sonnet 3.6 (2022-10-22)

Claude Sonnet 3.6 (2022-10-22)

Anthropic · Jun 2024svg

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

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Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026svg

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3 / 37

03

Logic Puzzlereasoning

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

Claude Sonnet 3.6 (2022-10-22)

Claude Sonnet 3.6 (2022-10-22)

Anthropic · Jun 2024text

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

Try this prompt

Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026text

Sally has 2 sisters.

Explanation:
Sally is a girl, so she is one of the sisters. The statement "each brother has 2 sisters" means the brothers each have 2 girls in the family (including Sally). Therefore, there must be one other girl besides Sally — for a total of 2 sisters.

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4 / 37

04

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

Claude Sonnet 3.6 (2022-10-22)

Claude Sonnet 3.6 (2022-10-22)

Anthropic · Jun 2024text

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

Try this prompt

Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026text

Here are 5 jokes:

Why don't skeletons fight each other? They don't have the guts.
Why did the scarecrow win an award? He was outstanding in his field.
Why don't eggs tell jokes? They'd crack each other up.
Why did the bicycle fall over? It was two tired.
Why did the math book look sad? Because it had too many problems.

How many are unique?
5 — All of them are distinct jokes.

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5 / 37

05

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

Claude Sonnet 3.6 (2022-10-22)

Claude Sonnet 3.6 (2022-10-22)

Anthropic · Jun 2024svg

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

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Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026svg

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

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6 / 37

06

Xbox Controller SVG Artimage generation

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

Claude Sonnet 3.6 (2022-10-22)

Claude Sonnet 3.6 (2022-10-22)

Anthropic · Jun 2024svg

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

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Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026svg

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

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7 / 37

07

Generate a Stand-Up Routineconversation

Tests an AI's humor and creative writing ability

Claude Sonnet 3.6 (2022-10-22)

Claude Sonnet 3.6 (2022-10-22)

Anthropic · Jun 2024text

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

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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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Vote

8 / 37

08

Realistic AI Interviewconversation

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

Claude Sonnet 3.6 (2022-10-22)

Claude Sonnet 3.6 (2022-10-22)

Anthropic · Jun 2024text

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

Try this prompt

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

Vote

Which one handles your task better?

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

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9 / 37

09

Satirical Fake News Headlineconversation

Tests an AI's humor and understanding of current events

Claude Sonnet 3.6 (2022-10-22)

Claude Sonnet 3.6 (2022-10-22)

Anthropic · Jun 2024text

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

Try this prompt

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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10 / 37

10

Character Voice Testconversation

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

Claude Sonnet 3.6 (2022-10-22)

Claude Sonnet 3.6 (2022-10-22)

Anthropic · Jun 2024text

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

Try this prompt

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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11 / 37

11

Minimalist Landing Pageweb design

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

Claude Sonnet 3.6 (2022-10-22)

Claude Sonnet 3.6 (2022-10-22)

Anthropic · Jun 2024website

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Grok 4.20 Beta

Grok 4.20 Beta

Xai · Mar 2026website

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12 / 37

12

Pokémon Battle UI Recreationweb design

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

Claude Sonnet 3.6 (2022-10-22)

Claude Sonnet 3.6 (2022-10-22)

Anthropic · Jun 2024website

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

Try this prompt

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

Vote

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