GPT Image 1.5 (High) vs Nano Banana Pro

Compare GPT Image 1.5 (High) by OpenAI against Nano Banana Pro by Google AI, in 64 community votes, nano banana pro wins 74% of head-to-head duels, tested across 17 shared challenges. Updated February 2026.

In 64 community votes, Nano Banana Pro wins 74% of head-to-head duels. Nano Banana Pro leads in Image Generation. Based on blind community voting from the RIVAL open dataset of 64+ human preference judgments for this pair.