Aleph 2 Technical Specifications
| Item | Verified information |
|---|---|
| Model name | Runway Aleph 2 |
| API model ID | aleph2 |
| Provider | Runway |
| Modality | Video input and edited video output |
| Core task | Prompt-directed video transformation and editing |
What Is Runway Aleph 2?
Aleph 2 is an Aleph-family video editing model intended to transform existing footage through natural-language instructions. Its role is editing and restyling video rather than generating a conversational text response.
Features and Highlights of Runway Aleph 2
- Prompt-based edits to existing video footage.
- Useful for style changes, object or background treatments, and shot variations where supported.
- Preserves source footage as the starting point for controlled experimentation.
- Enables rapid editorial ideation without rebuilding a shot from scratch.
- Fits compositing and post-production prototyping workflows.
Aleph 2 Benchmark Performance
Runway has not published a public benchmark table for aleph2 in the cited sources. Evaluate temporal consistency, edit faithfulness, and artifact rate on representative clips.
Runway Aleph 2 vs Gen-4 vs Act-Two
| Model | Primary input | Best fit | Distinguishing workflow |
|---|---|---|---|
| Aleph 2 | Existing video | Prompt-based editing | Transforms source footage |
| Gen-4 | Prompt or visual reference | New-shot generation | Creates new visual content |
| Act-Two | Performance video | Character animation | Transfers performance to a character |
Aleph 2 Limitations
Public documentation does not specify universal input duration, output duration, resolution, or edit-operation guarantees. Complex edits may introduce temporal artifacts and need review.
Runway Aleph 2 Use Cases
Use it for alternate cuts, stylization tests, background treatments, pitch-video revisions, and controlled post-production experiments.