Claude 3 Opus vs Qwen3 Coder

Compare Claude 3 Opus by Anthropic against Qwen3 Coder by Qwen, tested across 8 shared challenges. Updated April 2026.

Which is better, Claude 3 Opus or Qwen3 Coder?

Claude 3 Opus and Qwen3 Coder are both competitive models. Claude 3 Opus costs $15/M input tokens vs $0.22/M for Qwen3 Coder. Compare their real outputs side by side below.

Key Differences Between Claude 3 Opus and Qwen3 Coder

Claude 3 Opus is made by anthropic while Qwen3 Coder is from qwen. On pricing, Claude 3 Opus costs $15/M input tokens vs $0.22/M for Qwen3 Coder.

Our Verdict
Claude 3 Opus
Claude 3 Opus
Qwen3 Coder
Qwen3 Coder

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

Qwen3 Coder is 79x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
84%

Qwen3 Coder uses 473.7x more bold

Claude 3 Opus
Qwen3 Coder
54%Vocabulary61%
14wSentence Length72w
0.48Hedging0.61
0.0Bold4.7
3.0Lists5.6
0.00Emoji0.12
0.00Headings1.43
0.06Transitions0.20
Based on 3 + 22 text responses
vs

Ask them anything yourself

Claude 3 OpusQwen3 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
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