经济观察网 8月15日，可灵2.1模型开启全新首尾帧功能的内测。据了解，本次升级带来了显著的效果提 升：更加流畅的"电影级"运镜控制、丝滑自然的转场效果以及精准的复杂语义理解。用户可以通过自定 义首尾帧图像，生成连贯且高质量的视频内容，有效克服了AI视频生成中的转场生硬、文本响应不足 等痛点问题。全新首尾帧功能，还进一步提升了视频的一致性和稳定性，尤其适用于产品宣传片、AI 电影、AI短剧等专业创作场景。 ...

Core Viewpoint - The new feature of the 可灵 2.1 model, which includes the "start and end frame" functionality, significantly enhances video generation capabilities, addressing common issues in AI video production [1] Group 1: Feature Enhancements - The upgrade provides smoother "cinema-level" camera control, natural transition effects, and precise complex semantic understanding [1] - Users can customize start and end frame images to create coherent and high-quality video content, overcoming challenges such as abrupt transitions and insufficient text responses in AI-generated videos [1] Group 2: Application Scenarios - The new start and end frame feature improves video consistency and stability, making it particularly suitable for professional creative scenarios such as product promotional videos, AI films, and AI short dramas [1]