Grok 3 Thinking vs Gemini 3.1 Pro Preview
Compare Grok 3 Thinking by xAI against Gemini 3.1 Pro Preview by Google AI, context windows of 128K vs 1.0M, tested across 13 shared challenges. Updated April 2026.
Which is better, Grok 3 Thinking or Gemini 3.1 Pro Preview?
Grok 3 Thinking and Gemini 3.1 Pro Preview are both competitive models. Context windows: 128K vs 1049K tokens. Compare their real outputs side by side below.
Key Differences Between Grok 3 Thinking and Gemini 3.1 Pro Preview
Grok 3 Thinking is made by xai while Gemini 3.1 Pro Preview is from google. Grok 3 Thinking has a 128K token context window compared to Gemini 3.1 Pro Preview's 1049K.
No community votes yet. On paper, Gemini 3.1 Pro Preview has the edge — newer, bigger context window.
Style Comparison
Grok 3 Thinking uses 3.8x more hedging
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
