ChatGPT-4o (March 2025) vs Gemini 2.5 Pro Preview 06-05
Compare ChatGPT-4o (March 2025) by OpenAI against Gemini 2.5 Pro Preview 06-05 by Google AI, in 8 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 24 shared challenges. Updated April 2026.
Which is better, ChatGPT-4o (March 2025) or Gemini 2.5 Pro Preview 06-05?
Gemini 2.5 Pro Preview 06-05 is the better choice overall, winning 100% of 8 blind community votes on Rival. ChatGPT-4o (March 2025) costs $5/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05. Context windows: 128K vs 1049K tokens. Compare their real outputs side by side below.
Key Differences Between ChatGPT-4o (March 2025) and Gemini 2.5 Pro Preview 06-05
ChatGPT-4o (March 2025) is made by openai while Gemini 2.5 Pro Preview 06-05 is from google. ChatGPT-4o (March 2025) has a 128K token context window compared to Gemini 2.5 Pro Preview 06-05's 1049K. On pricing, ChatGPT-4o (March 2025) costs $5/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05. In community voting, In 8 community votes, Gemini 2.5 Pro Preview 06-05 wins 100% of head-to-head duels.
In 8 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 Web Design, Image Generation. Based on blind community voting from the Rival open dataset of 8+ human preference judgments for this pair.
Web Design: 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 06-05Winner
ChatGPT-4o (March 2025)Runner-up
Pick Gemini 2.5 Pro Preview 06-05. In 8 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 Web Design, Image Generation.
Clear winner
Writing DNA
Style Comparison
Similarity
91%
ChatGPT-4o (March 2025) uses 94.5x more emoji
ChatGPT-4o (March 2025)
Gemini 2.5 Pro Preview 06-05
55%Vocabulary51%
24wSentence Length15w
0.52Hedging0.31
3.3Bold4.8
6.0Lists4.1
0.94Emoji0.00
0.63Headings0.98
0.05Transitions0.05
Based on 15 + 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.
Free preview13 of 58 slides
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