Runway 发布 Gen-4.5 视频生成模型，称登顶文生视频基准
原标题：Gen-4.5↗The world's best video model, featuring state-of-the-art motion quality, prompt adherence and visual fidelity.
AI 摘要
Runway 发布视频生成模型 Gen-4.5，官方称其在 Artificial Analysis 文生视频基准上以 1247 Elo 分排名第一，在运动质量、提示词遵循和视觉保真度上达到领先水平。该模型基于 NVIDIA Hopper 和 Blackwell GPU 构建，在预训练数据效率与后训练技术上取得进展，并保持与 Gen-4 相当的速度、效率和订阅定价，后续将把图生视频、关键帧、视频生视频等控制模式引入 Gen-4.5。
正文节选
Runway Gen-4.5: State-of-the-Art AI Video Generation State-of-the-art motion quality, prompt adherence and visual fidelity built on NVIDIA Hopper and Blackwell GPUs. December 1, 2025 by Runway Introduction Runway Gen-4.5 is the world's top-rated AI video generation model, ranked #1 on the Artificial Analysis Text-to-Video benchmark with 1,247 Elo points. It delivers cinematic, photorealistic outputs with precise prompt adherence, advanced motion quality and consistent visual fidelity across dive