自从OpenAI发布了正在研发和测试中的文生视频大模型Sora后，AI视频生成工具接连“内卷”，开始”神仙打架“模式。
首先，在当地时间6月12日，Luma创始人官宣并发布新视频模型——Dream Machine。Dream Machine可以在120秒内生成120帧的视频，具备流畅的运动、电影摄影和戏剧效果。6月28日，Luma宣布首尾帧制作加入Dream Machine。
6月27日，Runway推出了新的视频生成基础模型Gen-3 Alpha。该模型可以创建具有复杂场景变化、多种电影风格和详细艺术指导的高精细视频。7月2日凌晨，Runway在官网宣布，其文生视频模型Gen-3 Alpha向所有用户开放使用。
真的可以说是神仙打架啊，既然同样作为视频生成模型，那肯定免不了拿来对比。看下Luma的Dream Machine和RunwayGen-3 Alpha生成的视频对比，均生成自302.AI的AI视频生成器。（prompt：黄昏时分篝火的电影广角镜头。周围是岩石，背景是日落时的森林。）
从以上对比的对比视频来看，可以说不相上下，各有各的优点。接下来再看下来自网络上网友将Gen-3 Alpha、Dream Machine与还未正式开放使用的Sora的对比：
（prompt：一位时尚女性走在东京的街道上，街道上到处都是温暖的霓虹灯和动画城市标识。她穿着黑色皮夹克、红色长裙和黑色靴子，手拿黑色手提包。她戴着太阳镜，涂着红色口红。她自信而随意地走着。街道潮湿而反光，五颜六色的灯光营造出镜面效果。许多行人走来走去。）
如果仅从上面的对比视频来看，三者中小编认为应该是Gen-3 Alpha更胜一筹，当然这并不是最客观的对比。
那Gen-3 Alpha和Dream Machine的价格是怎么样的呢？从Runway和Luma官网中了解到，想要使用Gen-3 Alpha可以选择年包和月包，最低是15美金一个月，只能生成15个视频；而Luma本来还宣称全程免费的但因为太多人登陆使用，限制了每个月只有30次的免费尝试，最关键的是，有可能等了一天都还在排队。如果想要不限制使用，也是有年包和月包选择，最低是30美金一个月。
有人问Gen-3 Alpha和Dream Machine只能选一个的话，会选择哪个呢？这时候小编想起了互联网上的一句话：“小孩子才做选择”，为什么不能都要啊！选择302.AI的AI视频生成器，两个模型一起拿下！（上述Runway与Luma的对比视频正是用这个视频生成器生成的。）
其次，302.AI的AI视频生成器有两种模型可以选择，分别是Luma和Runway，一下满足两种选择，且操作界面简洁易用，就算是小白也能快速上手。接下来看下两种使用方法：
1、文生视频
只需要输入你想要生成的视频内容，点击【生成视频】即可，这种方法不管选择Luma或者Runway模型都适用。
2、图生视频
除了可以通过提示词生成视频外，选择Luma模型还支持图生视频，用户只需要上传两张图片，默认第一张为首帧画面，第二张为尾帧画面，再输入想要生成的视频内容最后点击生成视频即可。
在这场”神仙打架”中，谁更胜一筹，不仅取决于当前的性能指标，更要看谁能持续引领行业发展，满足用户不断变化的需求。在这个快速变化的时代，今天的领先者可能明天就会被超越。据闻Sora将会在今年下半年推出，到时将会更加“内卷”，让我们共同期待，AI视频生成技术将如何开启下一个视觉艺术的新纪元。
👉立即注册免费试用302.AI，开启你的AI之旅！👈
为什么选择302.AI？
● 灵活付费：无需月费，按需付费，成本可控
● 丰富功能：从文字、图片到视频，应有尽有，满足多种场景需求
● 开源生态：支持开发者深度定制，打造专属AI应用
● 易用性：界面友好，操作简单，快速上手
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