Runway Gen-4.5 vs Runway Gen-4 Aleph
runway/runway-gen4-5 · runway/runway-gen4-aleph
As of October 24, 2026, both Runway Gen-4.5 and Runway Gen-4 Aleph are available through UberLLM on one OpenAI-compatible key, routed to the cheapest healthy seller, with UberLLM's 10% fee already in the price. Runway Gen-4.5 is $0.32 per second; Runway Gen-4 Aleph is $0.5 per video.
Runway Gen-4.5 vs Runway Gen-4 Aleph, side by side
| Spec | Runway Gen-4.5 | Runway Gen-4 Aleph |
|---|---|---|
| Unit price | $0.32 per second | $0.5 per video |
| Input modalities | text | text |
| Output modalities | video | video |
Live prices via UberLLM, routed to the cheapest healthy seller. The price shown includes UberLLM’s 10% fee. Updated October 24, 2026.
Runway Gen-4.5 vs Runway Gen-4 Aleph — FAQ
Is Runway Gen-4.5 or Runway Gen-4 Aleph cheaper?
UberLLM routes each request to the cheapest healthy seller for the model. See the live per-unit prices in the table above.
What's the price difference between Runway Gen-4.5 and Runway Gen-4 Aleph?
Both are listed live on UberLLM; the table above shows each model's current price per unit.
Can I use both Runway Gen-4.5 and Runway Gen-4 Aleph with one API?
Yes. Both are served through a single OpenAI-compatible endpoint — set the base URL to https://api.uberllm.dev/v1 and your UberLLM key, then switch between them by changing the model id. Anthropic SDKs work via https://api.uberllm.dev/v1/messages.