OpenAI o3
Nothing here. The model returned empty. We stared at it for a while.
OpenAI o3 vs Gemini 2.5 Pro Preview 06-05
Compare OpenAI o3 by OpenAI against Gemini 2.5 Pro Preview 06-05 by Google AI, in 27 community votes, gemini 2.5 pro preview 06-05 wins 80% of head-to-head duels, tested across 38 shared challenges. Updated April 2026.
Which is better, OpenAI o3 or Gemini 2.5 Pro Preview 06-05?
Gemini 2.5 Pro Preview 06-05 is the better choice overall, winning 80% of 27 blind community votes on Rival. OpenAI o3 costs $10/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05. Compare their real outputs side by side below.
Key Differences Between OpenAI o3 and Gemini 2.5 Pro Preview 06-05
OpenAI o3 is made by openai while Gemini 2.5 Pro Preview 06-05 is from google. On pricing, OpenAI o3 costs $10/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05. In community voting, In 27 community votes, Gemini 2.5 Pro Preview 06-05 wins 80% of head-to-head duels.
In 27 community votes, Gemini 2.5 Pro Preview 06-05 wins 80% of head-to-head duels. Gemini 2.5 Pro Preview 06-05 leads in Image Generation, Analysis, Reasoning. Based on blind community voting from the Rival open dataset of 27+ human preference judgments for this pair.
Image Generation: Gemini 2.5 Pro Preview 06-05 wins 100% of votes
Web Design: OpenAI o3 and Gemini 2.5 Pro Preview 06-05 are tied
Analysis: Gemini 2.5 Pro Preview 06-05 wins 100% of votes
Reasoning: Gemini 2.5 Pro Preview 06-05 wins 100% of votes
Conversation: OpenAI o3 and Gemini 2.5 Pro Preview 06-05 are tied
Our Verdict
Gemini 2.5 Pro Preview 06-05Winner
OpenAI o3Runner-up
Pick Gemini 2.5 Pro Preview 06-05. In 27 blind votes, Gemini 2.5 Pro Preview 06-05 wins 80% of the time. That's not luck.
Gemini 2.5 Pro Preview 06-05 particularly excels in Image Generation, Analysis, Reasoning. Gemini 2.5 Pro Preview 06-05 is 4.0x cheaper per token — worth considering if cost matters.
Clear winner
Writing DNA
Style Comparison
Similarity
100%
Gemini 2.5 Pro Preview 06-05 uses 6.9x more bold
OpenAI o3
Gemini 2.5 Pro Preview 06-05
68%Vocabulary51%
14wSentence Length15w
0.26Hedging0.31
0.7Bold4.8
3.0Lists4.1
0.00Emoji0.00
0.38Headings0.98
0.12Transitions0.05
Based on 16 + 20 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.
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