Grok 3 vs Qwen: Qwen3.5 Plus 2026-02-15

Compare Grok 3 by xAI against Qwen: Qwen3.5 Plus 2026-02-15 by Qwen, context windows of 128K vs 1.0M, tested across 52 shared challenges. Updated April 2026.

Which is better, Grok 3 or Qwen: Qwen3.5 Plus 2026-02-15?

Grok 3 and Qwen: Qwen3.5 Plus 2026-02-15 are both competitive models. Context windows: 128K vs 1000K tokens. Compare their real outputs side by side below.

Key Differences Between Grok 3 and Qwen: Qwen3.5 Plus 2026-02-15

Grok 3 is made by xai while Qwen: Qwen3.5 Plus 2026-02-15 is from qwen. Grok 3 has a 128K token context window compared to Qwen: Qwen3.5 Plus 2026-02-15's 1000K.

Our Verdict
Grok 3
Grok 3
Qwen: Qwen3.5 Plus 2026-02-15
Qwen: Qwen3.5 Plus 2026-02-15

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

Too close to call
Writing DNA

Style Comparison

Similarity
92%

Qwen: Qwen3.5 Plus 2026-02-15 uses 2.5x more emoji

Grok 3
Qwen: Qwen3.5 Plus 2026-02-15
49%Vocabulary54%
18wSentence Length18w
0.94Hedging0.51
2.5Bold5.3
3.0Lists2.9
0.04Emoji0.10
0.65Headings0.75
0.08Transitions0.09
Based on 17 + 23 text responses
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Grok 3Qwen: Qwen3.5 Plus 2026-02-15

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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