Claude 3 Opus vs Qwen: Qwen3 Max Thinking

Compare Claude 3 Opus by Anthropic against Qwen: Qwen3 Max Thinking by Qwen, context windows of 200K vs 262K, tested across 12 shared challenges. Updated April 2026.

Which is better, Claude 3 Opus or Qwen: Qwen3 Max Thinking?

Claude 3 Opus and Qwen: Qwen3 Max Thinking are both competitive models. Claude 3 Opus costs $15/M input tokens vs $1.2/M for Qwen: Qwen3 Max Thinking. Context windows: 200K vs 262K tokens. Compare their real outputs side by side below.

Key Differences Between Claude 3 Opus and Qwen: Qwen3 Max Thinking

Claude 3 Opus is made by anthropic while Qwen: Qwen3 Max Thinking is from qwen. Claude 3 Opus has a 200K token context window compared to Qwen: Qwen3 Max Thinking's 262K. On pricing, Claude 3 Opus costs $15/M input tokens vs $1.2/M for Qwen: Qwen3 Max Thinking.

Our Verdict
Claude 3 Opus
Claude 3 Opus
Qwen: Qwen3 Max Thinking
Qwen: Qwen3 Max Thinking

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

Qwen: Qwen3 Max Thinking is 13x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
94%

Qwen: Qwen3 Max Thinking uses 517.4x more bold

Claude 3 Opus
Qwen: Qwen3 Max Thinking
54%Vocabulary61%
14wSentence Length15w
0.48Hedging0.23
0.0Bold5.2
3.0Lists3.9
0.00Emoji1.37
0.00Headings1.22
0.06Transitions0.04
Based on 3 + 13 text responses
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Claude 3 OpusQwen: Qwen3 Max Thinking

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
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