As of: 2026-11-13 13:49 CET.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/
Canonical page: https://postcutoff.com/m/runway-aleph-2/

# Runway Aleph 2.0

Runway, Aleph family. Status: current. Type: video generation. Released: 2026-05-21.

## How to call it

| Provider | Model id | Endpoint | Docs |
|---|---|---|---|
| Runway API | `aleph2` | https://api.dev.runwayml.com/v1/video_to_video | https://docs.dev.runwayml.com/guides/models/ |
| Web app |  |  | https://app.runwayml.com |

## Pricing

- Per second: $0.28
- Unit as published: per second of video (28 credits/s at $0.01/credit, 56-credit minimum per generation)
- Source: https://docs.dev.runwayml.com/guides/pricing/
- Last checked: 2026-09-29

## Specs

- Input: video, text, image
- Output: video
- Context window: not published
- Max output: not published
- Open weights: no
- Licence: proprietary

## Where it stands

- Newer video generation models in the registry since its release: 13. The 5 newest:
  - Gemini Omni 1.2 Flash (2026-11-05) https://postcutoff.com/m/gemini-omni-1-2-flash/
  - FLUX 3 Max (2026-10-19) https://postcutoff.com/m/flux-3-max/
  - Kling 4.0 (and 4.0 Flash) (2026-10-15) https://postcutoff.com/m/kling-4-0/
  - Tavus Griffin (Human Interaction Model) (2026-10-01) https://postcutoff.com/m/tavus-griffin/
  - HeyGen Video 1 (2026-09-30) https://postcutoff.com/m/heygen-video-1/
- Before it from Runway: Runway Gen-4.5 (2025-12-01) https://postcutoff.com/m/runway-gen-4-5/
- Closed weights; access is hosted only.

## What stands out

- 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: https://runway.com/news/introducing-aleph-2-and-edit-studio
- 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: https://docs.dev.runwayml.com/api-details/api_changelog/

## 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).

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

```bash
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/

Model page: https://postcutoff.com/m/runway-aleph-2/