Updated Feb 4, 2026

Our Verdict

Claude Opus 4.6

Qwen3 CoderRunner-up

No community votes yet. On paper, Claude Opus 4.6 has the edge — newer, bigger context window, major provider backing.

Qwen3 Coder is 26x cheaper per token — worth considering if cost matters.

Too close to call

Writing DNA

Style Comparison

Similarity

100%

Qwen3 Coder uses 7.4x more transitions

Claude Opus 4.6

Qwen3 Coder

53%Vocabulary61%

35wSentence Length72w

0.68Hedging0.61

5.2Bold4.7

2.9Lists5.6

0.21Emoji0.12

1.34Headings1.43

0.03Transitions0.20

Based on 23 + 22 text responses

vs

Ask them anything yourself

Claude Opus 4.6

Qwen3 Coder

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

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Qwen3 Coder vs GPT-5New provider

Claude Opus 4.6 vs Pony AlphaNew provider

Qwen3 Coder vs Grok 3New provider

Claude Opus 4.6vsQwen3 Coder

36 fights queued

Why Claude Opus 4.6?

Leads 1 of 1 benchmarks

Stronger on SWE-bench Verified80.8% vs 69.6%

7 months newerFeb 2026

Why Qwen3 Coder?

25.8x cheaper overall$0.22/M in · $0.95/M out

Claude Opus 4.6Qwen3 Coder

Input price

$5.00/M

$0.22/M

Output price

$25.00/M

$0.95/M

Context

1.0M

—

Released

Feb 2026

Jul 2025

Benchmarks1 common

SWE-bench Verified

80.8%+13.9%

69.6%

Favorites

Claude Opus 4.6Qwen3 Coder

Movie

2001: A Space Odyssey

2001: A Space Odyssey

The Shawshank Redemption

The Shawshank Redemption

Album

Kind of Blue

Kind of Blue

Book

Gödel, Escher, Bach

Gödel, Escher, Bach

Douglas R. Hofstadter

The Left Hand of Darkness

The Left Hand of Darkness

Ursula K. Le Guin

City

Istanbul

Kyoto

Game

The Legend of Zelda: Breath of the Wild

The Legend of Zelda: Breath of the Wild

Adventure, Action4.5

The Stanley Parable

The Stanley Parable

Indie, Adventure4.4

12 / 36

01

Estimate Complexityreasoning

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

Claude Opus 4.6

Claude Opus 4.6

Anthropic · Feb 2026text

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

Try this prompt

Qwen3 Coder

Qwen3 Coder

Qwen · Jul 2025text

I'll estimate the FLOPs required to train GPT-3 by breaking down the key components and making reasonable approximations.

Key Parameters of GPT-3

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

Step 1: FLOPs per Token Forward Pass

For a transformer model, the forward pass FLOPs are dominated by matrix multiplications in the attention and MLP layers.

Attention layers:

Self-attention: ~4 × d_model × d_model × sequence_length per layer
With d_model ≈ 12,288 (based on GPT-3 architecture) and 96 layers
Attention FLOPs per token ≈ 96 × 4 × 12,288² ≈ 5.8 × 10¹⁰

MLP layers:

Each MLP has ~8 × d_model² FLOPs per token (two linear transformations)
MLP FLOPs per token ≈ 96 × 8 × 12,288² ≈ 1.16 × 10¹¹

Total forward pass FLOPs per token: ~1.7 × 10¹¹

Step 2: FLOPs per Token Backward Pass

Backward pass typically requires ~2× the forward pass FLOPs due to gradient computations.

Backward pass FLOPs per token: ~3.4 × 10¹¹

Step 3: Total FLOPs per Token

Forward + Backward = ~5.1 × 10¹¹ FLOPs per token

Step 4: Training FLOPs

However, we need to account for multiple epochs and the fact that training typically processes sequences, not individual tokens.

Sequence-based calculation:

Average sequence length: ~1024 tokens (conservative estimate)
Sequences processed: 3 × 10¹¹ tokens ÷ 1024 ≈ 2.9 × 10⁸ sequences
FLOPs per sequence: ~5.1 × 10¹¹ × 1024 ≈ 5.2 × 10¹⁴
Total training FLOPs: 2.9 × 10⁸ × 5.2 × 10¹⁴ ≈ 1.5 × 10²³

Step 5: Additional Considerations

Parameter updates and optimizer computations (Adam): ~2× the backward pass FLOPs
Multiple epochs (effective training): roughly 2-3× the base calculation

Final Estimate

Total training FLOPs: ~3 × 10²³ to 5 × 10²³ FLOPs

This is equivalent to approximately 300 to 500 exaFLOPs.

This estimate aligns reasonably with published figures and captures the massive computational requirements of training such a large language model, representing one of the most computationally intensive AI training runs to date.

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2 / 36

02

AI Board Game Logicreasoning

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

Claude Opus 4.6

Claude Opus 4.6

Anthropic · Feb 2026svg

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

Try this prompt

Qwen3 Coder

Qwen3 Coder

Qwen · Jul 2025svg

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

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Vote

3 / 36

03

Logic Puzzlereasoning

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

Claude Opus 4.6

Claude Opus 4.6

Anthropic · Feb 2026text

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

Try this prompt

Qwen3 Coder

Qwen3 Coder

Qwen · Jul 2025text

I need to work through this step-by-step.

Given information:

Sally has 3 brothers
Each brother has 2 sisters

Let me think about this carefully:

Since Sally is a girl, she is one of the sisters that each brother has.

If each brother has 2 sisters, and Sally is one of those sisters, then there must be 1 additional sister besides Sally.

Therefore, Sally has 1 sister.

To verify:

Sally + 1 sister = 2 sisters total
Each of the 3 brothers has these same 2 sisters
This matches the given information that each brother has 2 sisters

Sally has 1 sister.

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4 / 36

04

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

Claude Opus 4.6

Claude Opus 4.6

Anthropic · Feb 2026text

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

Try this prompt

Qwen3 Coder

Qwen3 Coder

Qwen · Jul 2025text

Here are 5 jokes for you:

Why don't scientists trust atoms? Because they make up everything!
I told my wife she was drawing her eyebrows too high. She looked surprised.
What do you call a bear with no teeth? A gummy bear!
Why did the scarecrow win an award? He was outstanding in his field!
How does a penguin build its house? Igloos it together!

All 5 of these jokes are unique - each one has a different setup, punchline, and comedic concept. They cover various joke types including puns, wordplay, and observational humor.

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5 / 36

05

Xbox Controller SVG Artimage generation

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

Claude Opus 4.6

Claude Opus 4.6

Anthropic · Feb 2026svg

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

Try this prompt

Qwen3 Coder

Qwen3 Coder

Qwen · Jul 2025svg

Try this prompt

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6 / 36

06

Generate a Stand-Up Routineconversation

Tests an AI's humor and creative writing ability

Claude Opus 4.6

Claude Opus 4.6

Anthropic · Feb 2026text

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

Try this prompt

Qwen3 Coder

Qwen3 Coder

Qwen · Jul 2025text

"Modern Life Problems"

[Walks on stage, adjusts mic]

So I downloaded one of those meditation apps last week. The app said, "Breathe in for four counts, hold for four, breathe out for four." I'm like, "Finally! Someone who speaks my language – a robot!"

[Pause]

But then it asked me to "clear my mind of all thoughts." Are you KIDDING me? My mind is like a browser with 47 tabs open, and half of them are just articles titled "You Won't Believe What Happens Next" – and I've never clicked on a single one!

[Gesture]

Speaking of technology – why do we call it "smart" technology when it's constantly asking me to prove I'm not a robot? I just want to buy shoes online, not pass a Turing test! "Click all the squares with traffic lights." I'm 90% sure that's just photos of my hometown.

[Shake head]

And don't get me started on voice assistants. I asked mine to play some music, and it started playing a podcast about ancient pottery techniques. That's not music! That's what my nightmares sound like! "Welcome to Clay Time with Karen..."

[Pause for effect]

Dating apps are wild too. Everyone's profile says they love "travel, food, and adventure." That's just a fancy way of saying "I eat meals in different locations." Congratulations, you're a tourist! I matched with someone whose bio said "professional napper." I was like, "Finally! A man who lists his hobbies honestly!" Turns out he was a construction worker. Different kind of professional napper.

[Shrug]

But you know what's really messed up? Grocery stores. They moved the milk to the back of the store! It's a conspiracy! They know we're busy people. I go in for three things – milk, bread, and eggs – and suddenly I'm wandering the aisles like a confused archaeologist, wondering how we survived as a species when we can't even organize a dairy section properly.

[Look around audience]

And can we talk about "contactless" delivery? The driver texts me: "Package is at your door." I live in a building with 200 units. It's like hiding a needle in a haystack, except the needle is a burrito, and I'm very motivated to find it!

[Pause]

You know what though? Despite all this madness, I remain optimistic. Why? Because I just figured out how to use my oven's timer function. Yesterday. I'm basically MacGyver now.

[Big smile]

Thank you, you've been a wonderful audience! Don't forget to tip your waitstaff – they're the only ones who still know what they're doing!

[Exit stage]

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Sponsored

7 / 36

07

Realistic AI Interviewconversation

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

Claude Opus 4.6

Claude Opus 4.6

Anthropic · Feb 2026text

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

Try this prompt

Qwen3 Coder

Qwen3 Coder

Qwen · Jul 2025text

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

Try this prompt

Vote

8 / 36

08

Satirical Fake News Headlineconversation

Tests an AI's humor and understanding of current events

Claude Opus 4.6

Claude Opus 4.6

Anthropic · Feb 2026text

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

Try this prompt

Qwen3 Coder

Qwen3 Coder

Qwen · Jul 2025text

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

Try this prompt

Vote

9 / 36

09

Character Voice Testconversation

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

Claude Opus 4.6

Claude Opus 4.6

Anthropic · Feb 2026text

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

Try this prompt

Qwen3 Coder

Qwen3 Coder

Qwen · Jul 2025text

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

Try this prompt

Vote

10 / 36

10

Minimalist Landing Pageweb design

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

Claude Opus 4.6

Claude Opus 4.6

Anthropic · Feb 2026website

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Qwen3 Coder

Qwen3 Coder

Qwen · Jul 2025website

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11 / 36

11

Pokémon Battle UI Recreationweb design

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

Claude Opus 4.6

Claude Opus 4.6

Anthropic · Feb 2026website

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

Try this prompt

Qwen3 Coder

Qwen3 Coder

Qwen · Jul 2025website

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Vote

12 / 36

12

Mario Level UI Recreationweb design

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

Claude Opus 4.6

Claude Opus 4.6

Anthropic · Feb 2026website

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Qwen3 Coder

Qwen3 Coder

Qwen · Jul 2025website

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