Detailed Answer
AI video generation is rapidly evolving. Runway is the industry leader; its Gen-3 Alpha model produces high-quality videos from text, image, or video inputs. Widely preferred by filmmakers and content creators. The Sora website and mobile app closed on April 26, 2026. The Sora API is scheduled to close on September 24, 2026; API access is separate from the consumer app. Kling AI delivers impressive realistic human motion and physics simulations. Pika is ideal for quick, fun short videos; beginners can easily create professional-looking content. Luma Dream Machine provides strong 3D consistency and camera movements. When choosing, evaluate video length, resolution needs, input type, and budget. A common mistake is assuming one tool meets all needs. Try different tools for your project and combine them when needed. Compare all AI video tools on tasarım.ai. Source: [OpenAI Sora service notice](https://help.openai.com/en/articles/20001152-what-to-know-about-the-sora-discontinuation).