Gemini 3 Pro Preview vs Grok 3 Thinking

Compare Gemini 3 Pro Preview by Google AI against Grok 3 Thinking by xAI, tested across 14 shared challenges. Updated April 2026.

Which is better, Gemini 3 Pro Preview or Grok 3 Thinking?

Gemini 3 Pro Preview and Grok 3 Thinking are both competitive models. Compare their real outputs side by side below.

Key Differences Between Gemini 3 Pro Preview and Grok 3 Thinking

Gemini 3 Pro Preview is made by google while Grok 3 Thinking is from xai.

Our Verdict
Gemini 3 Pro Preview
Gemini 3 Pro Preview
Grok 3 Thinking
Grok 3 Thinking

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
100%

Grok 3 Thinking uses 3.0x more hedging

Gemini 3 Pro Preview
Grok 3 Thinking
58%Vocabulary46%
17wSentence Length19w
0.37Hedging1.11
7.7Bold3.3
4.8Lists2.6
0.00Emoji0.00
0.90Headings0.64
0.25Transitions0.25
Based on 23 + 6 text responses
vs

Ask them anything yourself

Gemini 3 Pro PreviewGrok 3 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
Free preview13 of 58 slides
FAQ

Common questions