Praxis-1
Robotics model
Price not published
Video-to-video editing model: prompt-driven edits on real footage.
Model idaleph2
Price$0.28 per second
Checked29 September 2026
13newer video generation models since its release
The 5 newest are listed. All video generation models
2 ways to use Runway Aleph 2.0, with the model id each provider expects.
| Provider | Model id | Endpoint | Docs |
|---|---|---|---|
| Runway API | aleph2 |
https://api.dev.runwayml.com/v1/video_to_video |
docs.dev.runwayml.com |
| Web app | app.runwayml.com |
| 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.
What its maker marketed at launch, and what people found later, each with its source.
Edits existing clips (up to 30 s of 1080p): change angles, lighting, objects, wardrobe, background while preserving untouched motion and scene structure.
Image-level keyframe control (up to 5 keyframes in the API) and multi-shot edits applied across scene cuts.
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/