Gemini 3 Flash Preview vs GPT OSS 20B

Compare Gemini 3 Flash Preview by Google AI against GPT OSS 20B by OpenAI, in 18 community votes, gemini 3 flash preview wins 94% of head-to-head duels, context windows of 1.0M vs 131K, tested across 53 shared challenges. Updated February 2026.

In 18 community votes, Gemini 3 Flash Preview wins 94% of head-to-head duels. Gemini 3 Flash Preview leads in Web Design, Conversation, Image Generation. Based on blind community voting from the RIVAL open dataset of 18+ human preference judgments for this pair.

Web Design: Gemini 3 Flash Preview wins 90% of votes
Conversation: Gemini 3 Flash Preview wins 100% of votes
Image Generation: Gemini 3 Flash Preview wins 100% of votes
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