GPT Image 1.5 vs Nano Banana Pro

Compare GPT Image 1.5 by OpenAI against Nano Banana Pro by Google AI, in 50 community votes, nano banana pro wins 70% of head-to-head duels, tested across 17 shared challenges. Updated February 2026.

In 50 community votes, Nano Banana Pro wins 70% of head-to-head duels. Nano Banana Pro leads in Image Generation. Based on blind community voting from the RIVAL open dataset of 50+ human preference judgments for this pair.