Claude 3 Opus vs Qwen: Qwen3.5 397B A17B

Compare Claude 3 Opus by Anthropic against Qwen: Qwen3.5 397B A17B by Qwen, context windows of 200K vs 262K, tested across 12 shared challenges. Updated April 2026.

Which is better, Claude 3 Opus or Qwen: Qwen3.5 397B A17B?

Claude 3 Opus and Qwen: Qwen3.5 397B A17B are both competitive models. Claude 3 Opus costs $15/M input tokens vs $0.6/M for Qwen: Qwen3.5 397B A17B. Context windows: 200K vs 262K tokens. Compare their real outputs side by side below.

Key Differences Between Claude 3 Opus and Qwen: Qwen3.5 397B A17B

Claude 3 Opus is made by anthropic while Qwen: Qwen3.5 397B A17B is from qwen. Claude 3 Opus has a 200K token context window compared to Qwen: Qwen3.5 397B A17B's 262K. On pricing, Claude 3 Opus costs $15/M input tokens vs $0.6/M for Qwen: Qwen3.5 397B A17B.

Our Verdict
Claude 3 Opus
Claude 3 Opus
Qwen: Qwen3.5 397B A17B
Qwen: Qwen3.5 397B A17B

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

Qwen: Qwen3.5 397B A17B is 21x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
94%

Qwen: Qwen3.5 397B A17B uses 690.3x more bold

Claude 3 Opus
Qwen: Qwen3.5 397B A17B
54%Vocabulary54%
14wSentence Length14w
0.48Hedging0.39
0.0Bold6.9
3.0Lists4.2
0.00Emoji0.23
0.00Headings0.93
0.06Transitions0.17
Based on 3 + 23 text responses
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Claude 3 OpusQwen: Qwen3.5 397B A17B

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