Gemini 3.1 Pro Preview vs Claude Opus 4.6

Compare Gemini 3.1 Pro Preview by Google AI against Claude Opus 4.6 by Anthropic, in 127 community votes, gemini 3.1 pro preview wins 69% of head-to-head duels, context windows of 1.0M vs 1.0M, tested across 52 shared challenges. Updated February 2026.

In 127 community votes, Gemini 3.1 Pro Preview wins 69% of head-to-head duels. Gemini 3.1 Pro Preview leads in Image Generation, Reasoning, Conversation. Based on blind community voting from the RIVAL open dataset of 127+ human preference judgments for this pair.