OpenAI is retiring Sora, turning the AI video race into a two-horse contest. Here is how Kling 3 and Runway compare on price, resolution, audio, and multi-shot control, plus a safe migration path off Sora.
Kling 3.0 ships six cuts in a single generation, native audio in five languages, and the second-ranked image-to-video score on the public arena. Full tutorial plus comparison against HappyHorse-1.0 and Runway Gen-4.5.
On February 4, 2026, Kuaishou launched Kling 3.0 and rewrote the specification sheet for AI video generation. Native 4K at 60 frames per second