February 27th message, todayGoogle Official launch of the new generationImage Generation Model Nano Banana 2 (Gemini 3.1 Flash Image), which is based on high-speed generation to further improve the quality, understanding and consistency of drawings, and is positioned as a light alternative to Nano Banana Pro, open to a wider range of users。
Nano Banana 2 continues the Gemini series ' s real-world knowledge base and searchs for real-time information in conjunction with web pages to make models more natural in terms of spatial understanding, proportionality relations, photo-processing and Chinese text rendering。
A maximum of 5 characters can be maintained in a single generation, 14 objects are identical in appearance, and apply to complex scenes such as comic and spectroscopy production
Covers output from 512 px to 4K, which is more sharper and more natural than previous generations and can be used directly for marketing material or visual design
Using the same efficient structure as Gemini Flash, emphasizing the "almost real-time" high-speed generation experience, suitable for rapid iterative and multiple rounds of change
On the cost side, the average user can generate 100 pictures per day free of charge in the Gemini application and Google search, increasing the Pro user scale to 1,000; the API price is more than the previous generation of Pro models, and the cost of producing a 4K image is approximately $0.15
In terms of content credibility, Google upgrades the SynthID digital watermarks and C2PA content vouchers to enhance AI content traceability。