xAI: Grok 4
Nothing here. The model returned empty. We stared at it for a while.
xAI: Grok 4 vs Qwen: Qwen3.5 Plus 2026-02-15
Compare xAI: Grok 4 by xAI against Qwen: Qwen3.5 Plus 2026-02-15 by Qwen, context windows of 256K vs 1.0M, tested across 38 shared challenges. Updated April 2026.
Which is better, xAI: Grok 4 or Qwen: Qwen3.5 Plus 2026-02-15?
xAI: Grok 4 and Qwen: Qwen3.5 Plus 2026-02-15 are both competitive models. xAI: Grok 4 costs $3/M input tokens vs $0.4/M for Qwen: Qwen3.5 Plus 2026-02-15. Context windows: 256K vs 1000K tokens. Compare their real outputs side by side below.
Key Differences Between xAI: Grok 4 and Qwen: Qwen3.5 Plus 2026-02-15
xAI: Grok 4 is made by xai while Qwen: Qwen3.5 Plus 2026-02-15 is from qwen. xAI: Grok 4 has a 256K token context window compared to Qwen: Qwen3.5 Plus 2026-02-15's 1000K. On pricing, xAI: Grok 4 costs $3/M input tokens vs $0.4/M for Qwen: Qwen3.5 Plus 2026-02-15.
Our Verdict
Qwen: Qwen3.5 Plus 2026-02-15
xAI: Grok 4Runner-up
No community votes yet. On paper, Qwen: Qwen3.5 Plus 2026-02-15 has the edge — bigger model tier, newer, bigger context window.
Qwen: Qwen3.5 Plus 2026-02-15 is 6.3x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
100%
Qwen: Qwen3.5 Plus 2026-02-15 uses 2.1x more transitions
xAI: Grok 4
Qwen: Qwen3.5 Plus 2026-02-15
53%Vocabulary54%
18wSentence Length18w
0.67Hedging0.51
2.7Bold5.3
2.7Lists2.9
0.07Emoji0.10
0.86Headings0.75
0.04Transitions0.09
Based on 21 + 23 text responses
vsAsk them anything yourself
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
Free preview13 of 58 slides
FAQ