How do I use Runway models through the OpenRouter API?

OpenRouter serves 2 Runway models behind one OpenAI-compatible API. Create an OpenRouter API key, point your client at https://openrouter.ai/api/v1, and set the model to an ID such as runway/aleph-2. The quickstart has request examples for every supported SDK.

What is the newest Runway model on OpenRouter?

Aleph 2.0 is the most recently added Runway model on OpenRouter, listed on July 29, 2026.

Runway

Access 2 Runway models through the OpenRouter unified API including Aleph 2.0 and Gen-4.5. Generate video and compare pricing, output modalities, and capabilities between different Runway models.

Runway requests made on OpenRouter

Runway: Aleph 2.0Aleph 2.0
<1 hour
Runway Aleph 2.0 is an in-context video editing model from Runway. It applies text instructions and keyframe-guided edits across existing footage while preserving details that are not meant to change. It is suited for adding, removing, or replacing subjects and objects, changing backgrounds or outfits, relighting scenes, shifting weather or time of day, restyling footage, and expanding a shot to a new aspect ratio.
by runwayJul 29, 2026$0.28/second
Runway: Gen-4.5Gen-4.5
<1 hour
Runway Gen-4.5 is a video generation model from Runway for text-to-video and image-to-video workflows. It is designed for cinematic scene creation with strong motion quality, visual fidelity, and prompt adherence. The model can coordinate complex action sequences, detailed camera movement, precise event timing, and atmospheric changes, making it suited for narrative shots, product reveals, and controlled image animation.
by runwayJul 29, 2026$0.12/second

Runway

Documentation

Frequently asked questions