Google: Nano Banana Pro – ListenHub

Google: Nano Banana Pro

Text to image
Image to image
Multi-reference

API reference Use in AI Image Generator & Editor

The everyday default: reliable quality, reliable text rendering, and good consistency across several reference images.

1K / 2K / 4K, and up to 14 reference images — the same ceiling as the fast tier in the family.

Strengths

Steady text rendering
Up to 14 reference images
1K / 2K / 4K

Limitations

No 1:4, 4:1, 1:8 or 8:1
4K is always billed in credits and never draws on free usage
Requests carrying reference images are throttled harder at peak

Capabilities

Capability

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-pro-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 Flash
GPT-Image-2
GPT-Image-2.5 Flare
GPT-Image-2.5 Sunburst
GPT-Image-2 Pro

Parameter	Value
Image size	1K / 2K / 4K
Aspect ratio	1:1 · 2:3 · 3:2 · 3:4 · 4:3 · 4:5 · 5:4 · 9:16 · 16:9 · 21:9
Quality tiers	No

Standard prices	Credits
1K	15
2K	15
4K	30

Google: Nano Banana Pro

Strengths

Limitations

Capabilities

Specs and limits

How it is billed

Alternatives

Text to image	Yes
Image to image	Yes
Multi-reference	Yes
Precise edit	No
Quality tiers	No