Nano Banana 2 is Google's Gemini 3.1 Flash Image model, which generates and edits images from a prompt and reference images. It costs the same per image as the newer Nano Banana 2.1 and less than Nano Banana Pro.
Pick it if
you want the default image face, with conversational edits of an image
you need up to five characters kept consistent in one workflow
you need legible text or translated text inside the image
Skip it if
the newer Nano Banana 2.1 at the same price covers your work
complex scenes need Nano Banana Pro's higher reasoning
Nano Banana Pro is Google's Gemini 3 Pro Image model, built on Gemini 3 Pro with a thinking mode. It costs more per image here than Nano Banana 2 (Gemini 3.1 Flash Image) and Nano Banana 2.1.
Pick it if
you need correctly rendered, legible text in the image
you want text in several languages inside one image
you have complex scenes that need a reasoning image model
Skip it if
Nano Banana 2 or 2.1 does the job at $0.12 instead of $0.22
you need to edit or blend reference images
FAQ
Which is cheaper, Nano Banana 2 or Nano Banana Pro?
Nano Banana 2 is cheaper — $0.12 / image vs $0.22 / image.
How do I use Nano Banana 2 or Nano Banana Pro?
In Octomind Cloud on a paid plan, ask the agent to generate with either model by name; it runs the job and returns the file.
Try either model
Switch between models inside the same Octomind session.