Google Advances Nano Banana 2.1 to Top Image Generation Ranks, Reducing Costs by 50%

Google has released Nano Banana 2.1, a significantly upgraded image generation and editing model that ranks in the top five across Arena's independent image benchmarks while cutting image costs in half. The model, built on Gemini 3.6 Flash, claims #5 on the Text-to-Image Arena (1,328 points), #6 on Image Edit (1,428 points), and #4 on Multi-Image Edit (1,431 points)—placing it among the highest-performing openly available image generators despite trailing OpenAI's GPT Image 2.5 Sunburst, which leads at 1,421 points.