Gemini 3.1 Pro Preview
Nothing here. The model returned empty. We stared at it for a while.
Gemini 3.1 Pro Preview vs OpenAI o3
Compare Gemini 3.1 Pro Preview by Google AI against OpenAI o3 by OpenAI, tested across 53 shared challenges. Updated April 2026.
Which is better, Gemini 3.1 Pro Preview or OpenAI o3?
Gemini 3.1 Pro Preview and OpenAI o3 are both competitive models. Gemini 3.1 Pro Preview costs $2/M input tokens vs $10/M for OpenAI o3. Compare their real outputs side by side below.
Key Differences Between Gemini 3.1 Pro Preview and OpenAI o3
Gemini 3.1 Pro Preview is made by google while OpenAI o3 is from openai. On pricing, Gemini 3.1 Pro Preview costs $2/M input tokens vs $10/M for OpenAI o3.
Our Verdict
Gemini 3.1 Pro Preview
OpenAI o3
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Gemini 3.1 Pro Preview is 3.3x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
99%
Gemini 3.1 Pro Preview uses 7.0x more bold
Gemini 3.1 Pro Preview
OpenAI o3
54%Vocabulary68%
18wSentence Length14w
0.29Hedging0.26
4.9Bold0.7
3.3Lists3.0
0.00Emoji0.00
0.72Headings0.38
0.14Transitions0.12
Based on 23 + 16 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