Runway Gen-4.5 / Aleph Explained (2026): specs, list price, what it is good for, where to use it
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Runway's in-house generation (Gen-4.5) and editing (Aleph) models.
Specs
| Segment length | 5–10 s |
| Resolution | Up to 4K via upscale |
| Audio | Audio; custom voices (Pro+) |
| References | Character reference, image-to-video |
| Intra-segment cuts | Single-shot |
| List price | 60 credits per 5 s ≈ 720/min; Standard 625 credits/mo at $15 |
| Where to use | Runway web / API |
Runway Gen-4.5 / Aleph vs other video models: seconds per generation
Published min–max; undisclosed models are not drawn
051015202530
Good for / caveats
Good for
Commercial-grade single shots and editing
Caveats
Expensive per minute; no rollover
Available in
FAQ
How much does Runway Gen-4.5 / Aleph cost?
60 credits per 5 s ≈ 720/min; Standard 625 credits/mo at $15
How long can one Runway Gen-4.5 / Aleph generation be?
5–10 s · Up to 4K via upscale
Is Runway Gen-4.5 / Aleph good for AI short drama?
Good for: Commercial-grade single shots and editing. Caveat: Expensive per minute; no rollover.
How do I use Runway Gen-4.5 / Aleph without coding?
Through platforms that expose it: Runway
Sources
Official pages opened while writing; current pricing and features are always as shown on the vendor site.
- https://runway.com/pricing — Runway Gen-4.5 / Aleph