Strengths
What it's the best tool for
- 4K output with fine detail
- SOTA in-image text
- 14 reference images per prompt
- Gemini 3 Pro reasoning
- Google Search grounding
Limitations
When to reach for something else
- SynthID watermark on every file
- Pricier than standard Nano Banana
- Celebrity/brand filters
- Slower than lighter models
Sample output
How Nano Banana Pro responds
Prompt
Branded auto-service poster: car on a lift, mechanic in gloves, headline "We bring the drive back" in crisp English, palette #0F172A, 4K.
Nano Banana Pro
Generation time: ~46 sec
Where teams use it
Four scenarios where it pays for itself
01
Brand posters
4K + crisp text
02
YouTube covers
Rich detail
03
Premium packaging
14 reference images
04
Outdoor advertising
Print-ready
About model
More about Nano Banana Pro
Nano Banana Pro — Google's 4K Image Model
Nano Banana Pro (Gemini 3 Pro Image) is Google's flagship image model on Gemini 3 Pro. Launched November 20, 2025 with 4K output, SOTA in-image text and up to 14 reference images.
Why it matters
Gemini 3 Pro reasoning is baked in, Google Search grounding stays on, SynthID watermark applied by default. Now available on NetRoom.
Who it is for
Premium brand designers, marketers, cover artists, performance-ad teams.
Use Nano Banana Pro via the API
The same engine, straight from your code: one key and one balance for text, images, video and sound. Pay only for the requests you make.
curl
curl https://netroom.ai/api/v1/generations \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "google/nano-banana-pro", "input": {"prompt": "A cinematic mountain sunrise"}}'The model id is already in the example. The full parameter reference and prices live in GET /api/v1/models and in the docs.
Try Nano Banana Pro
right now
Free access to basic models. No card, no obligations.