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Models/Image/Nano Banana Flash

Google: Nano Banana Flash

  • Text to image
  • Image to image
  • Multi-reference
API referenceUse in AI Image Generator & Editor

The fast tier of the family, with the widest ratio support — including the four extremes (1:4, 4:1, 1:8, 8:1) that only it and Seedream 5.0 Pro accept.

Its reference-image ceiling matches the Pro tier at 14.

Strengths

  • 14 ratios, four of them extreme
  • Up to 14 reference images
  • 1K / 2K / 4K

Limitations

  • 4K is always billed in credits and never draws on free usage

Capabilities

CapabilityValue
Text to imageYes
Image to imageYes
Multi-referenceYes
Precise edit–No
Quality tiers–No

Specs and limits

ParameterValue
Image size1K / 2K / 4K
Aspect ratio1:1 · 1:4 · 1:8 · 2:3 · 3:2 · 3:4 · 4:1 · 4:3 · 4:5 · 5:4 · 8:1 · 9:16 · 16:9 · 21:9
Quality tiersNo

How it is billed

按张计费，随尺寸档变化

Standard pricesCredits
1K10
2K10
4K20

Figures come from the same estimator the generation form calls before you spend anything.

Alternatives

  • Nano Banana ProFor everyday work, especially with text in the frame.

Call it

# Set LISTENHUB_API_KEY firstcurl -X POST "https://api.marswave.ai/openapi/v1/images/generation" \-H "Authorization: Bearer $LISTENHUB_API_KEY" \-H "Content-Type: application/json" \-d '{"provider": "google","model": "gemini-3.1-flash-image","prompt": "A serene mountain landscape at sunset with a reflective lake","imageConfig": {"aspectRatio": "16:9"}}'
  • API reference
  • SDK & CLI
  • Agent Skills

Similar models

  • Nano Banana Pro
  • GPT-Image-2
  • GPT-Image-2.5 Flare
  • GPT-Image-2.5 Sunburst
  • GPT-Image-2 Pro