Compare · Image
Google Nano Banana 2 vs Runway Gen-4 Image
Specs, pricing, and capabilities side by side, plus outputs generated from identical prompts, so the only variable between the columns is the model.
Cloud
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Ultra-fast image generation model optimised for speed and creative output.
Learn more about Nano Banana 2 →Cloud
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Runway's Gen-4 image model with strong prompt adherence and tag-based reference images for consistent characters, styles, and scenes.
Learn more about Gen-4 Image →Overview
Creator
Google
Runway
Released
7 months ago (Feb 2026)
1 year ago (Mar 2025)
Available on
RunwareReplicateOpenRouterGoogle
RunwareReplicateRunway
Model ID
nano-banana-2
runwayml/gen4-image
Specs
Pricing
$0.067 per image
$0.08 per image
Max resolution
4K
1080p
Aspect ratios
1:1, 16:9, 9:16 +11 more
16:9, 1:1, 9:16 +3 more
Image-to-image
Up to 14 reference images
Up to 3 reference images
Output formats
PNG, JPEG, WebP
PNG, JPEG, WebP
Seed control
-
Supported
Samples
Product still lifeMaterials, reflections, macro detail
PromptProduct still life of a brushed-titanium espresso tamper standing on wet black slate, a scatter of coffee beans around it. Single hard light source from the upper right casting a crisp shadow, cool grey studio background, macro detail on the metal grain and the water droplets.
Download google-nano-banana-2-product.jpg
Download runway-gen4-image-product.jpg
Studio portraitSkin texture, lighting, shallow depth of field
PromptEditorial studio portrait of a woman in her thirties with short dark curly hair, wearing a charcoal wool blazer over a white shirt. Soft key light from the left, subtle rim light, seamless deep-teal backdrop. Shot on 85mm at f/2, natural skin texture, catchlights in the eyes, shallow depth of field.
Download google-nano-banana-2-portrait.jpg
Download runway-gen4-image-portrait.jpg
Typographic posterText rendering, layout, flat colour
PromptMinimalist Swiss-style concert poster on off-white paper. Large bold sans-serif headline reading "NIGHT SIGNAL" stacked over a thin rule, smaller caption below reading "LIVE - SEPT 14 - HALL C". A single geometric orange semicircle in the lower third, generous white space, printed-ink texture.
Download google-nano-banana-2-poster.jpg
Download runway-gen4-image-poster.jpg
Every sample is the model’s first result for the shared scene prompt (no cherry-picking), generated via Runware or Replicate. Hover a copy icon to read the full prompt.
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