GPT-4.1 vs Gemini 2.5 Pro Preview 06-05

Compare GPT-4.1 by OpenAI against Gemini 2.5 Pro Preview 06-05 by Google AI, in 2 community votes, gpt-4.1 wins 100% of head-to-head duels, context windows of 1.0M vs 1.0M, tested across 32 shared challenges. Updated April 2026.

Which is better, GPT-4.1 or Gemini 2.5 Pro Preview 06-05?

GPT-4.1 is the better choice overall, winning 100% of 2 blind community votes on Rival. GPT-4.1 costs $2/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05. Context windows: 1048K vs 1049K tokens. Compare their real outputs side by side below.

Key Differences Between GPT-4.1 and Gemini 2.5 Pro Preview 06-05

GPT-4.1 is made by openai while Gemini 2.5 Pro Preview 06-05 is from google. GPT-4.1 has a 1048K token context window compared to Gemini 2.5 Pro Preview 06-05's 1049K. On pricing, GPT-4.1 costs $2/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05. In community voting, In 2 community votes, GPT-4.1 wins 100% of head-to-head duels.

In 2 community votes, GPT-4.1 wins 100% of head-to-head duels. GPT-4.1 leads in Web Design. Based on blind community voting from the Rival open dataset of 2+ human preference judgments for this pair.

Web Design: GPT-4.1 wins 100% of votes
Our Verdict
GPT-4.1
GPT-4.1Winner
Gemini 2.5 Pro Preview 06-05
Gemini 2.5 Pro Preview 06-05Runner-up

Pick GPT-4.1. In 2 blind votes, GPT-4.1 wins 100% of the time. That's not luck.

GPT-4.1 particularly excels in Web Design.

Clear winner
Writing DNA

Style Comparison

Similarity
93%

GPT-4.1 uses 23.7x more emoji

GPT-4.1
Gemini 2.5 Pro Preview 06-05
58%Vocabulary51%
19wSentence Length15w
0.38Hedging0.31
9.0Bold4.8
6.1Lists4.1
0.24Emoji0.00
1.01Headings0.98
0.07Transitions0.05
Based on 25 + 20 text responses
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GPT-4.1Gemini 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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