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Grok 3 vs Gemini 2.5 Pro Preview 06-05

Compare Grok 3 by xAI against Gemini 2.5 Pro Preview 06-05 by Google AI, in 5 community votes, gemini 2.5 pro preview 06-05 wins 100% of head-to-head duels, context windows of 128K vs 1.0M, tested across 37 shared challenges. Updated April 2026.

Which is better, Grok 3 or Gemini 2.5 Pro Preview 06-05?

Gemini 2.5 Pro Preview 06-05 is the better choice overall, winning 100% of 5 blind community votes on Rival. Context windows: 128K vs 1049K tokens. Compare their real outputs side by side below.

Key Differences Between Grok 3 and Gemini 2.5 Pro Preview 06-05

Grok 3 is made by xai while Gemini 2.5 Pro Preview 06-05 is from google. Grok 3 has a 128K token context window compared to Gemini 2.5 Pro Preview 06-05's 1049K. In community voting, In 5 community votes, Gemini 2.5 Pro Preview 06-05 wins 100% of head-to-head duels.

In 5 community votes, Gemini 2.5 Pro Preview 06-05 wins 100% of head-to-head duels. Gemini 2.5 Pro Preview 06-05 leads in Analysis, Image Generation. Based on blind community voting from the Rival open dataset of 5+ human preference judgments for this pair.

Analysis: Gemini 2.5 Pro Preview 06-05 wins 100% of votes
Image Generation: Gemini 2.5 Pro Preview 06-05 wins 100% of votes
Our Verdict
Gemini 2.5 Pro Preview 06-05
Gemini 2.5 Pro Preview 06-05Winner
Grok 3
Grok 3Runner-up

Pick Gemini 2.5 Pro Preview 06-05. In 5 blind votes, Gemini 2.5 Pro Preview 06-05 wins 100% of the time. That's not luck.

Gemini 2.5 Pro Preview 06-05 particularly excels in Analysis, Image Generation.

Clear winner
Writing DNA

Style Comparison

Similarity
97%

Grok 3 uses 3.9x more emoji

Grok 3
Gemini 2.5 Pro Preview 06-05
49%Vocabulary51%
18wSentence Length15w
0.94Hedging0.31
2.5Bold4.8
3.0Lists4.1
0.04Emoji0.00
0.65Headings0.98
0.08Transitions0.05
Based on 17 + 20 text responses
vs

Ask them anything yourself

Grok 3Gemini 2.5 Pro Preview 06-05

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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