排名前 5 的 AI 视频生成器：从文本和图像到精彩视频

通过在几分钟内将简单的文本或图像转换为动态视频，AI 视频生成器正在彻底改变内容创作。对于内容创作者和营销人员来说，这些 AI 视频制作者 工具提供了一种快速、经济实惠的方式，无需高级编辑技能即可制作引人入胜的视觉效果。在本文中，我们比较了五个最佳平台—— 视频中， Kling AI， Akool， 跑道，以及 Canva — 每个都能够转换 文字转视频 AI 要么 图像到视频 AI 内容。请继续阅读，了解每种功能的关键功能、局限性和理想用例，并了解如何做到 从图像创建视频 或者轻松编写脚本。

视频中

InVideo 很受欢迎 来自文本的 AI 视频生成器 这有助于将脚本或文章变成精美的视频。它提供了数千个模板和庞大的图像、片段和音乐素材库，即使是初学者也可以进行视频创作。只需输入文本（或从模板中选择），InVideo的人工智能就会根据您的叙事建议场景、视觉效果甚至画外音。该界面采用拖放式操作且易于使用，非常适合快速制作营销视频或社交媒体内容。

主要特点：

• 文字转视频故事板： InVideo可以将书面内容转换为一系列具有适当图像的视频场景，并且 逼真的画外音，本质上是充当一个 文字转视频 AI 脚本适配器。这非常适合在不拍摄镜头的情况下将博客文章或脚本转化为视频。
  
• 丰富的媒体库和模板： 用户可以访问 6,000 多个模板 以及数百万张库存照片/视频。AI 会自动为你的故事选择相关的视觉效果，从而显著加快创作速度。你还可以轻松地将YouTube、Instagram等的视频调整为不同的纵横比，内容会自动调整。
  
• 适合初学者的编辑： InVideo's 拖放式编辑器 而且预设样式意味着你不需要高级技能。它在自动化和控制之间取得了平衡——比全自动工具更灵活，但比专业编辑器简单得多。还有人工智能驱动的增强功能，例如自动文字转语音和一键动画。
  

局限性：

• 有限的高级编辑： 高级用户可能会发现 InVideo 对复杂项目有限制。它缺少高端软件中的逐帧编辑、详细的颜色分级或运动跟踪。由于依赖模板，使用InVideo制作的视频最终可能会看起来相似，这对于寻求独特风格的品牌来说可能是一个问题。
  
• 大型项目的表现： 超长或内容繁多的视频可能会导致浏览器应用程序变慢，尤其是在非 Chrome 浏览器上。它针对短营销视频进行了优化，而不是全长作品。
  
• 免费计划限制： InVideo的免费版本导出带有水印的视频，并限制了您每月可以导出的视频数量。严肃的创作者需要付费计划才能删除水印并解锁无限量的高清导出。
  

理想用例：

• 社交媒体营销： 非常适合需要制作促销视频、广告或广告的营销人员和小型企业 快捷的社交内容 定期地。模板和库存资产有助于在几分钟内制作具有专业外观的视频。
  
• 内容再利用： 博主和教育工作者可以很快 根据文字创建视频 （例如将文章或课程脚本转化为视频摘要）以吸引更多的受众。InVideo的人工智能将处理场景选择和旁白的繁重工作。
  
• 中小企业和企业家： InVideo是一款经济实惠的解决方案，适用于没有专门视频团队的小型企业。对于不精通技术的用户来说，很容易以精美的外观展示产品、推荐书或教程。（但是，专业电影制作人或需要高级视觉效果的人应该将目光投向其他地方。）
  

Kling AI

Kling AI 是生成视频的新兴强国。Kling AI由快手（中国主要视频平台背后的公司）开发，专门研究这两个方面 文字转视频 和 图像到视频 一代。实际上，自推出以来，它已经生成了超过1000万个视频。使用 Kling，你可以输入文字提示或上传单张图片，人工智能将制作一个动作流畅、动作流畅、符合你输入想法的简短、高质量的视频片段。结果通常被描述为 “电影级” 的视觉效果，使静态描述或照片生动起来。

主要特点：

• 文本和图像输入： Kling AI 可以生成视频 来自文字提示或静止图像。键入场景描述（例如 “日落时的未来派城市”），然后观看它渲染包含动作和细节的动态视频。或者上传一张照片，Kling 会通过平移、缩放甚至微妙的动作（例如树木摇摆或水流）为其制作动画，以创建动人的场景。
  
• 高级生成模型： 该平台提供多种人工智能模型（Kling 1.0至2.1），以改善输出质量。每次迭代都提高了真实性和一致性。最新型号可制作保真度相对较高的1080p视频。像这样的元素 镜头移动、逼真的物理效果和口型同步 可以合并，从而实现复杂的输出，例如角色使用同步音频说话。
  
• 快速免费试用： 尽管结果很复杂，但Kling AI仍然是 免费试用 通过Pollo AI等平台，它可以在短短几分钟内生成短片（大约5秒）。这种速度和可访问性使其成为创作者的绝佳游乐场。它也是 具有成本效益 —一份报告指出，与某些竞争对手的生成模型相比，Kling的服务每秒视频可能便宜得多。
  

局限性：

• 短片长度： 目前，Kling AI 的目标是 很短的视频 （长达几秒钟）。创建更长的内容意味着将多个人工智能生成的片段拼接在一起，这可能很耗时，并且可能导致片段之间的风格或质量不一致。
  
• 即时特异性： 与任何生成式 AI 一样，输出质量取决于您的输入。模糊或非常复杂的提示可能会产生不太准确的视频。有时，人工智能对视觉效果的选择可能会错过目标，这意味着你可能需要尝试几次或进行一些手动编辑（添加自己的图像以获得指导）才能获得所需的结果。
  
• 不断发展的技术： 作为尖端技术，Kling 的结果偶尔会有瑕疵（例如，轻微 较低的帧速率 或快动作场景中的奇怪细节）。此外，由于该技术仍在开发中，该服务可能会施加限制（例如分辨率上限为1080p和仅限英语的提示）。没有附带强大的编辑套件——你可能会使用Kling进行生成，然后在需要时使用其他工具完成视频。
  

理想用例：

• 创意视觉和艺术项目： Kling AI 对于想要生成成本高昂或不可能拍摄的超现实或电影序列的艺术家、电影制作人或音乐视频制作人来说大放异彩。它非常适合概念视觉效果、科幻/幻想场景或抽象艺术视频。例如，独立音乐家使用Kling制作了完整的人工智能驱动音乐视频，效果惊人。
  
• 营销和广告： 营销人员可以利用Kling快速制作引人注目的广告的原型。用它的 元素 功能，据说你可以通过让人工智能生成的演员在任何环境中推广产品来制作迷你广告。这使得无需工作室拍摄即可进行个性化广告或概念广告。
  
• 短视频平台的内容： 如果你为抖音、Instagram Reels或类似内容创作内容，Kling的短而具有高冲击力的片段是完美的选择。你可以生成独特的视觉效果来叠加文字或画外音，让你的帖子在动态消息中脱颖而出。请记住，这些片段很简短，非常适合用作 b-roll 或 cutaway 场景，为视频增添趣味。
  

Akool

Akool is a versatile AI platform leading the charge in video generation and creative media. Unlike single-purpose tools, Akool combines multiple AI video capabilities – from text-to-video avatars to image animation and face swapping. This all-in-one approach has made Akool a rising favorite for content marketers who want a bit of everything. With Akool, you can input a script and get a lifelike avatar video, or upload a photo and make it “talk,” among many other magic tricks. It’s positioned as “the #1 AI video generator” with interactive avatars, real-time video presentations, and advanced editing features.

Key Features:

• Image-to-Real-Time AI Avatars: Akool lets you create lifelike AI avatars from a single image. These avatars can then be used in real-time—ideal for virtual meetings, live webinars, or streaming. Simply upload a photo, and your custom avatar will lip-sync and speak your script live. This empowers businesses to present professionally without being on camera and gives streamers a powerful virtual host.
  
• Text-to-Video Presenters: Simply input your text script, choose an avatar (or even swap in a custom face), and Akool will create a video of a virtual presenter delivering your message. The avatars are quite realistic, with attention to facial expressions and body language. This feature is ideal for training videos, how-to tutorials, or marketing pitches where you need a “person” on screen without hiring actors.
  
• Image Animation (“Talking Photos”): Akool can create video from an image – for example, animating a still photo to make the subject speak. With its “Talking Photos” feature, you upload a photo and Akool generates a short video where that person’s face moves and talks according to your script. This is fantastic for creating engaging social media posts or bringing historical images and characters to life in educational content.
  
• Face Swap & Other AI Tools: A standout Akool feature is easy face swapping in videos or images. Content creators can replace a person’s face in a clip with another face (for fun, satire, or localized content with different presenters). Additionally, Akool supports automatic video translation into 10+ languages, AI image generation from text prompts, background removal, and more. It’s a comprehensive creative suite for both video and image projects.
  

Limitations:

• Credit-Based Pricing Model: Akool operates on a credit system for its AI features. While the pricing is scalable and flexible, new users might find the credit system somewhat confusing. Heavier usage (like producing many videos or high-resolution outputs) may require purchasing additional credits or subscribing to higher-tier plans.
  
• Learning Curve for Advanced Features: Since Akool offers many tools (avatars, image editing, face swaps, etc.), mastering all its capabilities can take time. The interface is user-friendly for basic tasks, but users have noted that some advanced functions require experimentation and that the platform can occasionally feel resource-intensive or slow when processing large requests.
  
• Output and Customization Limits: The automatically generated avatars, while realistic, have predefined styles – you might have limited customization in wardrobe or movement compared to filming a real actor. Similarly, the AI-generated voices and expressions are high-quality but not infinitely flexible. Very niche or creative demands might still fall outside the tool’s current scope, meaning you’d need to use traditional editing for fine-tuning.
  

Ideal Use Cases:

• Marketing & Personalization: Advertisers and marketers love Akool for producing personalized promotional content. For instance, you can quickly generate a marketing video where an AI avatar addresses a customer by name, or swap a model’s face to reflect local demographics. This can make ads and outreach feel tailor-made for each audience.
  
• E-Learning and Demos: With Akool, educators and trainers can create engaging instructional videos without stepping in front of a camera. An avatar can narrate course material, or a talking head can introduce each lesson in multiple languages, which is perfect for global online courses. It’s also handy for software demos or explainer videos – just feed in the script and let the AI presenter do the talking.
  
• Content Creation & Social Media: For YouTubers, TikTok creators, and meme-makers, Akool opens up creative possibilities. You can produce skits by swapping your face into movie clips, make historical figures deliver modern jokes via talking photos, or simply use the AI image generator and avatars to spice up your video content. Small businesses and influencers who need lots of varied content (graphics, videos, voiceovers) will appreciate that Akool is a one-stop shop for these needs.
  

Runway

Runway (often referred to as Runway ML) is a cutting-edge platform for AI-driven video creation and editing. Unlike avatar-focused tools, Runway is geared toward generative art and creative video effects. It allows you to generate short videos from scratch using text prompts or images, and also offers a robust set of AI-powered editing tools for existing footage. Think of Runway as a playground for filmmakers, designers, and visual artists who want to push the boundaries of what AI visuals can look like.

Key Features:

• Generative Video from Text or Image: Runway gained fame with its Gen-2 model, which can create novel video clips from a text description or an image prompt. For example, you can type “a neon city skyline at night with flying cars” and the AI will attempt to generate a brief video depicting that scene. You can also provide a reference image to influence the style or content of the generated video. This text-to-video AI capability is on the forefront of technology, enabling truly original clips for your projects.
  
• AI-Powered Video Editing: Beyond generation, Runway includes tools to edit and remix videos using AI. Notable features include background removal from videos (without green screens), motion tracking of objects, and style transfer that applies the look of one image or artist to your video frames. These intelligent tools let creators achieve complex effects quickly – for instance, turning a real video into an “animation” style, or replacing the background in a video dynamically.
  
• Collaboration and Workflow: Runway is cloud-based with a collaborative interface, meaning multiple team members can work on a video project in real time from their browsers. Projects are saved online, making it easy to share results or hand off tasks. It supports various media inputs/outputs and integrates with creative pipelines (you can use Runway outputs in Adobe Premiere, etc.). This makes it a powerful co-creator in professional workflows.
  

Limitations:

• Short Video Clips: Currently, the generative output from Runway is relatively short – typically only a few seconds of footage per prompt (often ~4–8 seconds long). This is a fundamental limitation of the AI model; longer videos would require chaining multiple generations and possibly manual stitching. As a result, Runway is better for creating quick cutaway shots or visual effects sequences rather than full-length videos in one go.
  
• Credits and Cost: Runway operates on a credits-based system. The free tier provides a limited number of generation or editing credits, which can be used up quickly if you experiment a lot. To get substantial use, you’ll likely need a paid plan or to purchase extra credits. Heavy users (e.g., a video agency generating lots of AI content) might find the costs adding up.
  
• Quality Variance: While often impressive, the AI-generated videos can sometimes be hit-or-miss. Common issues include lower frame rates, grainy or blurry details, or the AI misinterpreting part of your prompt (leading to some strange visuals). There is also no integrated audio for these clips (you’d add music or voice-over later). Runway’s rapid evolution means new features are coming, but it also means some features feel experimental. Users should be prepared for a bit of trial and error to get the perfect result.
  

Ideal Use Cases:

• Visual Effects & Music Videos: Runway is a dream for filmmakers and music artists who want to create never-before-seen visuals. It’s been used for generating fantastical scenes in music videos and indie films – for example, producing an abstract dream sequence or a sci-fi landscape without any physical sets. Its creative potential is perfect for experimental art projects or adding unique VFX shots to a video.
  
• Social Media Content: Creators on platforms like Instagram or YouTube can use Runway to generate eye-catching clips that stop the scroll. Imagine a book reviewer who generates a surreal animation of characters from a novel as a backdrop, or a tech blogger who uses AI-generated futuristic b-roll in a gadget review. These short AI clips can make your content far more engaging and shareable.
  
• Design & Marketing Agencies: Agencies can utilize Runway for quick mockups or campaign visuals. Instead of purchasing generic stock video, a designer could generate a custom clip that matches the campaign theme exactly. It’s also great for brainstorming – teams can prototype video ideas by typing concepts and seeing instant video drafts, sparking new creative directions.
  

Canva

Canva is a well-known design platform, and it has recently expanded into AI-powered video generation. With Canva’s new Magic Studio features, even novices can leverage AI video generator tools within Canva’s familiar interface. It offers two primary AI video capabilities: generating a short video from a text prompt (using Google’s Veo-3 AI model) and creating talking-head videos from a still image or avatar (integrating technology from partners like D-ID). Canva effectively bridges simplicity and power, letting users create videos from text or images and then refine them with a full suite of design tools.

Key Features:

• Text-to-Video with Audio: Canva’s “Create a Video Clip” feature lets you enter a scene description and produce a short AI-generated video complete with automatically synced audio, sound effects, and even dialogue. For example, type “A peaceful forest with birds chirping” and Canva will generate a clip of that scene along with ambient sounds and any narrated lines you included. This one-click solution (powered by Google’s generative AI) is great for visualizing concepts or adding B-roll style clips to your projects.
  
• Talking Head Avatars: Canva makes it easy to create a presenter video without a camera. You can upload a photo of yourself (or choose from built-in AI avatars) and input a script – the AI will animate the photo to speak in 40+ languages with a chosen voice. This essentially turns an image into a video of a virtual spokesperson. It’s perfect for welcome videos, quick explainers, or any scenario where you need a face and voice to deliver a message. The integration with D-ID’s technology ensures the lip-sync and facial movements are quite natural.
  
• Integrated Design Suite: One big advantage of Canva is that after generating an AI clip, you can seamlessly enhance it using Canva’s other features. You have access to thousands of templates, graphic elements, stock music, and animations to polish the video. For instance, you might generate a background video with AI, then overlay text, logos, or additional animations using Canva’s editor. The platform also supports real-time collaboration, so teams can work together on the video design. All of this happens in a web browser with an intuitive drag-and-drop workflow.
  

局限性：

• 有限的视频时长和分辨率： Canva的人工智能视频片段目前很短（通常不到10秒），生成的分辨率为1080p。这可以满足大多数社交媒体或演示需求，但你不会直接通过Canva的人工智能制作长篇视频或高分辨率的电影片段。与其说是完整的视频制作工具，不如说是一个快速的助手。
  
• 免费套餐的使用上限： 虽然Canva有免费套餐，但人工智能功能（魔术视频等）有使用限制。报告显示，免费用户可能仅限于少数几代人工智能视频（例如 5 种用途 每月的 Magic Video）。要完全不受限制地访问人工智能工具，需要订阅 Canva Pro。此外，一些高级选项（例如某些头像选项或更长的脚本）可能仅适用于付费用户。
  
• 与专家相比，基本编辑： Canva的优势在于易用性，但它在视频编辑方面的专业程度不如专用工具。视频编辑能力虽然在不断增长，但仍然相对较大 基本的 （例如，与Adobe Premiere甚至InVideo等软件相比，时间表更简单，高级效果更少）。寻求精细控制或复杂效果的专业人士可能会发现自己的局限性，他们主要使用Canva来完成快速任务或创建草稿。
  

理想用例：

• 社交媒体与营销： Canva是为需要制作视觉一致内容的社交媒体经理和营销人员量身定制的。你可以快速生成一个主题片段（比如一个 产品样机视频 或活动预告片），然后添加适合您的广告系列的品牌文字和图片。将设计和视频创作集中在一个地方的能力确保了图像和视频的品牌一致性。
  
• 教育与演讲： 教师和演示者可以使用Canva的会说话功能来制作引人入胜的介绍或讲解视频。这就像输入你想说的话然后让你选择的头像说话一样简单。这非常适合制作视频幻灯片、入门视频或多语言教育内容，而无需自拍。
  
• 初学者和团队： 任何刚接触视频编辑或在团队中工作的人都会喜欢Canva。非设计师可以在不费吹灰之力的情况下生成具有专业外观的东西（这要归功于模板和人工智能的帮助）。团队可以像协作 Canva 传单或幻灯片一样协作进行视频/动画设计，使其成为快速制作企业视频、公告或创业产品演示的首选。
  
  

结论：

这五个 AI 视频生成器均提供独特的车削功能组合 将文字或图像转换成视频。如果你需要包含大量库存内容的快速、模板驱动的视频，InVideo可能是你的首选。为了生成尖端的视觉效果，尤其是短片片段，Kling AI 和 Runway 以其文字/图像到视频的魔力提供了对未来的一瞥。Canva非常适合那些重视易用性和与平面设计整合的人，让所有人都能轻松创作视频。

Akool但是，作为一名多才多艺的全能选手脱颖而出。它将多种人工智能视频技术整合到一个平台中——从会说话的照片动画到实时的头像演示者——这意味着你可以在一个地方完成许多创造性的任务。Akool 将易于营销的功能（如人脸交换和多语言头像）与专业的输出质量相结合，使其成为内容创作者和企业的绝佳选择。它的宣传量轻但功能强大的工具集是为任何想要提升内容策略的人量身定制的。

归根结底，最佳工具取决于您的特定需求，但是 Akool 提供免费试用和令人兴奋的机会 尝试下一代视频创作。不要只听我们的一面之词—— 亲自试看 Akool 看看这个人工智能视频生成器如何将你的文字和图像转换为引人入胜的视频。拥抱内容创作的未来，试一试 Akool 来创作你的下一个精彩视频！

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