Nano Banana Pro is the higher-end Gemini image lane for polished campaign stills, complex compositions, text rendering, and controlled natural-language revisions. MachGen supports text-to-image and editing with up to 14 ordered input images at 1K, 2K, or 4K across eight aspect ratios including 21:9.
| Auto-reload | Regular | |
|---|---|---|
| 1024p | $0.067/image | $0.08/image |
| 2048p | $0.067/image | $0.08/image |
| 4096p | $0.12/image | $0.144/image |
Nano Banana Pro is the higher-end Gemini image lane for polished generation and controlled edits. It leans into semantic understanding of complex briefs - closer to studio-ready stills when you need typography, character consistency, and nuanced creative direction.
MachGen supports text-to-image and editing with up to 14 ordered input images at 1K, 2K, or 4K across eight aspect ratios including 21:9.
This table reflects the model routes and controls currently exposed by MachGen.
| Mode | Required input | Available settings |
|---|---|---|
| Text to Image | Text prompt | Resolution: 1K, 2K, 4K Aspect ratio: 16:9, 21:9, 3:2, 4:3, 1:1, 3:4, 2:3, 9:16 |
| Image Editing | Text prompt and up to 14 source images | Resolution: 1K, 2K, 4K Aspect ratio: 16:9, 21:9, 3:2, 4:3, 1:1, 3:4, 2:3, 9:16 |
Turn long, structured creative direction into detailed stills with strong prompt adherence and cleaner text rendering.
Refine or combine up to 14 ordered input images with natural-language instructions while preserving brand-critical elements.
Select 1K, 2K, or 4K output and one of the eight aspect ratios exposed in Playground, including 21:9.
For model background, technical details, and architecture, see the official Gemini image generation guide.
Try this model in the MachGen Playground.
Official documentation may describe capabilities or parameters that are not currently exposed by MachGen. Use the Inputs and output settings section above as the source of truth for this page.
See Pricing for currently published MachGen rates. When available, the Playground estimate reflects the selected task and output settings.
Deployment: Pass-through. Nano Banana Pro is pass-through. MachGen sends the request through its upstream provider integration and returns the generated asset.
The Playground and API sections on this page list the inputs and output settings exposed for this model.