Lowest price
Choose Runway Gen-4.5
Runway Gen-4.5 costs $0.12 / second, against $0.28 / second for Runway Aleph 2.
Runway Aleph 2 vs Runway Gen-4.5: price, context and capabilities
Choose Runway Gen-4.5 for the lowest price; on the other points the two are level or the data is missing.
In short
- Runway Gen-4.5 is 57% cheaper than Runway Aleph 2 at the headline price ($0.12 / second vs $0.28 / second).
- Only Runway Aleph 2 offers video input.
Which should you choose?
Each answer below comes straight from the published prices, specifications and independent benchmark results.
Monthly cost at three volumes
| Volume | Runway Aleph 2 | Runway Gen-4.5 | Difference |
|---|---|---|---|
| 60 seconds of video | $16.80 | $7.20 | Runway Gen-4.5, $9.60 less |
| 600 seconds of video | $168.00 | $72.00 | Runway Gen-4.5, $96.00 less |
| 6,000 seconds of video | $1,680 | $720.00 | Runway Gen-4.5, $960.00 less |
Standard rates, without caching or batch discounts. Volumes are per month.
Specifications side by side
| Runway Aleph 2 | Runway Gen-4.5 | |
|---|---|---|
| Provider | Runway | Runway |
| Category | Video generation | Video generation |
| Status | Generally available | Generally available |
| Headline price | $0.28 / second | $0.12 / second |
| Context window | No data | No data |
| Max output | No data | No data |
| Released | No data | No data |
| Knowledge cutoff | No data | No data |
| Licence | Proprietary | Proprietary |
| Capabilities | Video input | No data |
| API model id | aleph2 | gen4.5 |
Frequently asked questions
Should I choose Runway Aleph 2 or Runway Gen-4.5?
Choose Runway Gen-4.5 for the lowest price; on the other points the two are level or the data is missing.
Which is cheaper, Runway Aleph 2 or Runway Gen-4.5?
Runway Gen-4.5 is 57% cheaper than Runway Aleph 2 at the headline price ($0.12 / second vs $0.28 / second).
What is the difference between Runway Aleph 2 and Runway Gen-4.5?
Runway Aleph 2 is made by Runway and Runway Gen-4.5 by Runway. Runway Gen-4.5 is 57% cheaper than Runway Aleph 2 at the headline price ($0.12 / second vs $0.28 / second). Only Runway Aleph 2 offers video input.