Runway

Runway is a leading AI video generation and editing platform, with successive Gen-1, Gen-2, and Gen-3 model families since 2023. It remains an industry leader in cinematic quality, motion control, and long-form continuity. Beyond text-to-video and image-to-video, Runway offers editing tools such as Motion Brush (regional animation), Multi Motion Brush (independent multi-region animation), Camera Control (precise camera moves), plus Act-One (character performance transfer) and Aleph (video editing) as extensions.

Use cases include marketing video concept clips, product ads, social media shorts, pre-vis for film and video, and post-production repair (background removal, keying, slow-motion interpolation). The Gen-3 Alpha model approaches traditional film aesthetics in camera language and picture quality, and is widely used by Hollywood teams to support principal photography.

Pricing is credit-based. The free tier offers a small monthly trial; Standard, Pro, and Unlimited subscriptions unlock longer clips, higher resolution, and commercial licensing. The web-based workflow requires no local GPU.

Chinese-language support is weaker than Chinese-native tools (Kling, Jimeng), but cross-platform stability and professional polish make Runway the default option in the English AI video market.