Nano Banana Pro vs Runway Gen-4 Image: price, context and capabilities

Choose Runway Gen-4 Image for the lowest price; on the other points the two are level or the data is missing.

In short

  • Runway Gen-4 Image is 63% cheaper than Nano Banana Pro at the headline price (from $0.05 / image vs from $0.134 / image).

Open in the full comparison table

Which should you choose?

Each answer below comes straight from the published prices, specifications and independent benchmark results.

Lowest price

Choose Runway Gen-4 Image

Runway Gen-4 Image costs from $0.05 / image, against from $0.134 / image for Nano Banana Pro.

Monthly cost at three volumes

VolumeNano Banana ProRunway Gen-4 ImageDifference
100 images $13.40 $5.00 Runway Gen-4 Image, $8.40 less
1,000 images $134.00 $50.00 Runway Gen-4 Image, $84.00 less
10,000 images $1,340 $500.00 Runway Gen-4 Image, $840.00 less

Standard rates, without caching or batch discounts. Volumes are per month.

Specifications side by side

Nano Banana ProRunway Gen-4 Image
ProviderGoogleRunway
CategoryImage generationImage generation
StatusGenerally availableGenerally available
Headline pricefrom $0.134 / imagefrom $0.05 / image
Context window66kNo data
Max output33kNo data
ReleasedNovember 2025No data
Knowledge cutoffNo dataNo data
LicenceProprietaryProprietary
CapabilitiesNo dataNo data
API model idgemini-3-pro-imagegen4_image

Frequently asked questions

Should I choose Nano Banana Pro or Runway Gen-4 Image?

Choose Runway Gen-4 Image for the lowest price; on the other points the two are level or the data is missing.

Which is cheaper, Nano Banana Pro or Runway Gen-4 Image?

Runway Gen-4 Image is 63% cheaper than Nano Banana Pro at the headline price (from $0.05 / image vs from $0.134 / image).

What is the difference between Nano Banana Pro and Runway Gen-4 Image?

Nano Banana Pro is made by Google and Runway Gen-4 Image by Runway. Runway Gen-4 Image is 63% cheaper than Nano Banana Pro at the headline price (from $0.05 / image vs from $0.134 / image).