Runway is where AI video gets serious. Gen-3 Alpha generates video clips from text prompts. Other tools: remove backgrounds from video, erase unwanted objects, extend video length with AI, change video style. Used by actual film studios and YouTube creators. Free tier gives limited credits. Pro from $15/month. If you work with video professionally, Runway is essential to learn.
**Key takeaway:** Runway = serious AI video tools used by professionals.