Gemini 2.5 Flash Preview (thinking) vs GPT-4.1

Compare Gemini 2.5 Flash Preview (thinking) by Google AI against GPT-4.1 by OpenAI, in 8 community votes, gpt-4.1 wins 71% of head-to-head duels, context windows of 1.0M vs 1.0M, tested across 16 shared challenges. Updated February 2026.

In 8 community votes, GPT-4.1 wins 71% of head-to-head duels. GPT-4.1 leads in Reasoning, Image Generation. Based on blind community voting from the RIVAL open dataset of 8+ human preference judgments for this pair.

Reasoning: GPT-4.1 wins 67% of votes
Image Generation: GPT-4.1 wins 100% of votes
Web Design: Gemini 2.5 Flash Preview (thinking) and GPT-4.1 are tied
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