Post-Cutoff

RunwayAleph familyCurrentVideo generationReleased 21 May 2026

Runway Aleph 2.0

Video-to-video editing model: prompt-driven edits on real footage.

Model idaleph2

Price$0.28 per second

Checked29 September 2026

Where it stands

13newer video generation models since its release

The 5 newest are listed. All video generation models

Before it from Runway
Runway Gen-4.51 Dec 2025
Weights
Closed weights; access is hosted only.

How to call it

2 ways to use Runway Aleph 2.0, with the model id each provider expects.

Providers, model ids, endpoints and docs for Runway Aleph 2.0
ProviderModel idEndpointDocs
Runway API aleph2 https://api.dev.runwayml.com/v1/video_to_video docs.dev.runwayml.com
Web app app.runwayml.com

Pricing

Prices for Runway Aleph 2.0
Per second$0.28

As published: “per second of video (28 credits/s at $0.01/credit, 56-credit minimum per generation)”.

Source: docs.dev.runwayml.com, checked 29 September 2026.

Specs

Input
Video, text and images
Output
Video
Context window
Not published
Max output
Not published
Open weights
No
Licence
Proprietary
Released
21 May 2026
Status
Current
Type
Video generation

What stands out

What its maker marketed at launch, and what people found later, each with its source.

  • In-context video editing of real footage

    Edits existing clips (up to 30 s of 1080p): change angles, lighting, objects, wardrobe, background while preserving untouched motion and scene structure.

    Source: runway.com

  • Edit one frame, propagate to the clip

    Image-level keyframe control (up to 5 keyframes in the API) and multi-shot edits applied across scene cuts.

    Source: docs.dev.runwayml.com

Notes

Launched with Edit Studio 2026-05-21; API since 2026-06-02 (2-30 s input videos). Supersedes gen4_aleph (removed from API 2026-07-30).

curl -X POST https://api.dev.runwayml.com/v1/video_to_video -H "Authorization: Bearer $RUNWAYML_API_SECRET" \
  -H "X-Runway-Version: 2024-11-06" -H "Content-Type: application/json" \
  -d '{"model":"aleph2","videoUri":"https://.../clip.mp4","promptText":"make it night with neon rain"}'

Sources: https://runway.com/news/introducing-aleph-2-and-edit-studio , https://docs.dev.runwayml.com/guides/models/ , https://docs.dev.runwayml.com/guides/pricing/