Google Nano Banana 2 Fast (Gemini 3.1 Flash Image) is the cheaper Nano Banana 2 variant for unified text-to-image and image editing, with 2K default output, 4K support, and flexible aspect ratios.
Added Mar 6, 2026
Approx. Price
$0.045 per image
Model Type
both
Preview Examples
6
Generation controls available for this model.
Images Per Run
Up to 4
Resolution Options
2
2k (Default output (~2048px class)), 4k (Higher fidelity (~4096px class))
Tunable Settings
3
Aspect Ratio
Default
auto
Options (15)
Auto (match input), Square, 3:2, 2:3 +11 more
Control the output framing for both text and edits.
Number of Images
Default
1
Resolution
Default
2k
Options (2)
2k (Default output (~2048px class)), 4k (Higher fidelity (~4096px class))
Human preference benchmarks sourced from Artificial Analysis.
No Artificial Analysis benchmark data is available yet for this model.
Artificial Analysis API
A little girl blowing soap bubbles in a backyard, sunlight making rainbow colors in the bubbles, candid photography style.
Text-to-image • 2k
an epic sci-fi movie poster, a lone astronaut standing on a vast desert planet, a gigantic ringed planet rising in the sky, dramatic sunset lighting, blowing sand, cinematic composition, IMAX scale, photorealistic, space for title at the top, film poster design, ultra detailed
Text-to-image • Example
A bustling New York street at sunset, golden light reflecting on skyscrapers, cinematic lighting
Text-to-image • 2k
a man standing in the middle of a busy city street while everything around him is frozen in time, suspended rain drops and floating papers, dramatic cinematic lighting, epic composition, hyper realistic, movie still, 8k
Text-to-image • Example
A focused, dynamic action shot of a young East Asian female volleyball player, 'Natalie D.', captured mid-serve in an indoor gymnasium. Sports trading card design.
Text-to-image • Example
Replace the cloudy sky with a clear sunset.
Image-to-image edit example