Sora, the highly anticipated AI-powered text-to-video generation model by OpenAI, was officially launched on Monday, December 9, 2024. After months of expectations and limited testing, this model aims to revolutionize audiovisual content creation with artificial intelligence, positioning itself as a key product in technological evolution.

What is Sora by OpenAI?

Sora is OpenAI’s multimodal artificial intelligence model, the company behind ChatGPT, designed to transform textual descriptions into realistic videos.

Beyond its ability to generate videos, this model is conceived as a foundation for future technologies that simulate and understand reality, a crucial step toward developing AI capable of interacting with the physical world.

The model enables video generation at resolutions up to 1080p and offers various format options, such as widescreen, vertical, and square. Additionally, according to OpenAI, Sora Turbo, the improved version officially launched, is significantly faster than the version previewed in February 2024.

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How does Sora by OpenAI work?

Sora uses a diffusion model-based approach to create videos. This process begins with a video that looks like static noise, which is gradually refined step by step into a coherent and detailed final product. Its key features include:

• Advanced multimodality: Combines text, images, and videos to generate personalized content.
• Optimized interface: Includes tools like a storyboard editor that allows control over every frame.
• Compatibility with external assets: Users can integrate their own resources to extend, remix, and personalize their creations.

Additionally, the model includes capabilities for animating still images, extending existing videos, and generating entirely new content from scratch. This level of personalization positions it as a unique tool in the market.

When can you use Sora?

Following its release date on Monday, December 9, Sora is now available to users with ChatGPT Plus and Pro subscriptions.

Currently, OpenAI allows standard users to generate up to 50 videos per month at 480p resolution, while Pro subscribers have access to higher capacity, longer videos, and superior resolutions.

However, Sora is not yet available in certain regions, such as the United Kingdom, Switzerland, and the European Economic Area. OpenAI plans to expand its availability in the coming months, adapting to local regulations and needs.

How to use Sora?

To start using Sora, users must log in to the website with a ChatGPT Plus or Pro account. From there, they can access an intuitive interface that includes the following features:

1. Text-based generation: Write a detailed prompt for the model to create a unique video.
2. Image animation: Upload a static image and let Sora transform it into an animated video.
3. Remix and blending: Combine existing videos or custom resources to create entirely new content.
4. Storyboard usage: Control every aspect of the video, from duration to the arrangement of visual elements.

OpenAI has also introduced a Featured and Recent Creations section, where users can explore examples made by the community and gain inspiration for their projects.

The Sora by OpenAI model uses a credit-based system for video generation. The number of credits each user receives depends on their ChatGPT subscription level, whether it’s ChatGPT Plus or ChatGPT Pro. Below is an explanation of how credits work and associated costs.

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How do credits work in Sora?

Credits are used to generate videos with Sora, and their cost depends on the resolution and duration of the video. Longer or higher-quality videos require more credits. The credit system allows flexibility in creation, adapting to each user’s needs.

For example:

• A 5-second video at 480p square resolution costs 20 credits.
• A 20-second video at 1080p resolution costs 2,000 credits.

Additionally, Sora includes options like Re-cut, Remix, or Loop, which allow users to modify already created videos. These features also have specific credit costs depending on duration and resolution.

How many credits does each ChatGPT plan include?

ChatGPT Plus

ChatGPT Plus users receive:

• 1,000 credits per month, allowing up to 50 priority videos.
• Resolutions up to 720p with a maximum duration of 5 seconds.
• Limited access compared to the Pro plan.

This plan is designed for those who want to explore Sora’s basic features without a significant investment.

ChatGPT Pro

ChatGPT Pro users get:

• 10,000 credits per month, allowing up to 500 priority videos.
• Resolutions up to 1080p, with a maximum duration of 20 seconds.
• Ability to generate videos without visible watermarks.
• Access to unlimited relaxed videos that do not consume credits.
• Capability to perform up to 5 concurrent generations.

This plan is ideal for advanced creators looking for higher quality and flexibility in video generation.

What does generation cost entail?

The credit cost for video generation depends on two main factors:

1. Duration: Longer videos require more credits.
2. Resolution: Higher resolutions, like 1080p, consume more credits than lower resolutions, like 480p.

For example:

• A 10-second video at 720p square resolution costs 75 credits, while the same video at 1080p square resolution costs 300 credits.

What safety measures does Sora include?

OpenAI has ensured several safety measures to prevent misuse of Sora, such as creating deepfakes or inappropriate content. Key measures include:

• C2PA metadata: Identifies all videos generated by Sora to ensure transparency.
• Visible watermarks: Included by default to avoid misunderstandings about content origin.
• Strict moderation: Blocks harmful content, such as child abuse material or explicit deepfakes.

Other AI tools for video creation

The AI-generated video market is booming, with companies like Google, Amazon, and Meta competing to stand out in this field. Some alternatives include:

• Veo by Google: Produces 1080p resolution videos with advanced cinematic capabilities.
• Dream Machine by Luma AI: Generates short five-second videos, although it lacks Sora’s sophistication.
• Movie Gen by Meta: Enables the creation of clips up to 16 seconds long with synchronized audio.

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