Lowest price
Choose Nano Banana 2.1
Nano Banana 2.1 costs from $0.0336 / image, against from $0.05 / image for Runway Gen-4 Image.
Nano Banana 2.1 vs Runway Gen-4 Image: price, context and capabilities
Choose Nano Banana 2.1 for the lowest price; on the other points the two are level or the data is missing.
In short
- Nano Banana 2.1 is 33% cheaper than Runway Gen-4 Image at the headline price (from $0.0336 / image vs from $0.05 / image).
Which should you choose?
Each answer below comes straight from the published prices, specifications and independent benchmark results.
Monthly cost at three volumes
| Volume | Nano Banana 2.1 | Runway Gen-4 Image | Difference |
|---|---|---|---|
| 100 images | $3.36 | $5.00 | Nano Banana 2.1, $1.64 less |
| 1,000 images | $33.60 | $50.00 | Nano Banana 2.1, $16.40 less |
| 10,000 images | $336.00 | $500.00 | Nano Banana 2.1, $164.00 less |
Standard rates, without caching or batch discounts. Volumes are per month.
Specifications side by side
| Nano Banana 2.1 | Runway Gen-4 Image | |
|---|---|---|
| Provider | Runway | |
| Category | Image generation | Image generation |
| Status | Generally available | Generally available |
| Headline price | from $0.0336 / image | from $0.05 / image |
| Context window | 131k | No data |
| Max output | 33k | No data |
| Released | October 2026 | No data |
| Knowledge cutoff | No data | No data |
| Licence | Proprietary | Proprietary |
| Capabilities | No data | No data |
| API model id | gemini-nano-banana-2.1 | gen4_image |
Frequently asked questions
Should I choose Nano Banana 2.1 or Runway Gen-4 Image?
Choose Nano Banana 2.1 for the lowest price; on the other points the two are level or the data is missing.
Which is cheaper, Nano Banana 2.1 or Runway Gen-4 Image?
Nano Banana 2.1 is 33% cheaper than Runway Gen-4 Image at the headline price (from $0.0336 / image vs from $0.05 / image).
What is the difference between Nano Banana 2.1 and Runway Gen-4 Image?
Nano Banana 2.1 is made by Google and Runway Gen-4 Image by Runway. Nano Banana 2.1 is 33% cheaper than Runway Gen-4 Image at the headline price (from $0.0336 / image vs from $0.05 / image).