Video modelsRunway

Runway Video Extend: model and API overview

Runway Video Extend is part of Runway's Runway family. This card is for a video workflow. It can extend an existing video or music segment. Consider it when a successful source needs a coherent continuation. Input: Video; output: Video.

External model reference page. This page does not confirm availability in Neiron.

Capabilities

Runway Video Extend: For video workflows, it can extend an existing video or music segment.

Input: Video; output: Video.

Purpose: Video generation and editing; developer: Runway; region: United States.

Use cases

Choose it for a video workflow: Runway Video Extend, when a successful source needs a coherent continuation.Compare Runway Video Extend with related Runway models if the task allows a different input or output format.Before starting, confirm the input format and expected result (a continuation of the source material).

Reviewed facts

Developer

Runway

Purpose

Video generation and editing

Input

Video

Output

Video

Geography

United States

Verified

2026-08-26

Benchmarks

No comparable benchmark is recorded in this card.

Sources

What to verify before use

Parameters, limits, licensing terms, and, where applicable, pricing for Runway Video Extend change over time. Check the official Runway documentation before integrating.

Expected result: a continuation of the source material. For a different input or output, see neighboring Runway cards.

For comparison, use the same brief and references; check motion coherence, subject consistency, and artifacts between frames.

FAQ

What is Runway Video Extend?

What task is Runway Video Extend suited to?

Extend an existing video or music segment. Choose it when a successful source needs a coherent continuation.

What does Runway Video Extend accept and return?

Reviewed input modalities: Video. Output: Video. The record was checked on 2026-08-26.