DiT: The Secret Sauce of OpenAI's Sora & Stable Diffusion 3

28 Mar 202408:26

TLDRThe video script discusses the rapid advancements in AI image generation, highlighting the current state where it's challenging to distinguish between real and AI-generated images. It emphasizes the need for further improvement, particularly in generating fine details like text and fingers. The script explores the potential of combining AI chatbots' attention mechanisms with diffusion models to enhance language and image synthesis. It also mentions the promising results from models like Stable Diffusion 3 and Sora, suggesting a future where media generation, including videos, could be significantly improved by these technologies.


  • 📈 AI image generation is rapidly progressing, with recent advancements outpacing previous years' developments.
  • 🤖 Despite significant progress, AI-generated images still have minor flaws, such as issues with fingers or text, which can be nitpicked to identify them.
  • 💡 There is a need for simpler and more effective solutions in AI image generation, potentially combining different AI technologies like chatbots and diffusion models.
  • 🔍 The attention mechanism used in large language models is highlighted as crucial for understanding relationships between elements in generating coherent content.
  • 🚀 Transformation of diffusion models with attention mechanisms seems to be the next step in state-of-the-art AI, as evidenced by models like Stable Diffusion 3 and Sora.
  • 🎨 Stable Diffusion 3 is anticipated to show exceptional performance, even in base model form, surpassing many fine-tuned pre-existing methods.
  • 🖼️ The proposed structure of Stable Diffusion 3 is complex, introducing new techniques that improve text generation within images and detail synthesis.
  • 🎥 Sora, a text-to-video AI model, demonstrates the potential of generating highly realistic videos, though its release to the public is not imminent due to potential safety and computational concerns.
  • 🌐 The architecture of Sora may not be as revolutionary as initially thought, but the scaling of computation could be a significant factor in its high-quality outputs.
  • 🔥 Domo AI is introduced as an accessible alternative for generating videos and images, especially in animation styles, through a Discord-based service.

Q & A

  • What does the term 'sigmoid curve' refer to in the context of AI image generation development?

    -In the context of the script, the 'sigmoid curve' represents the rapid progress in AI image generation. The term is used to describe the phase where we are nearing the peak of advancements in this field, indicating a significant amount of progress has been made in a short period of time.

  • What challenges are still faced in AI image generation despite the progress?

    -Despite significant progress, AI image generation still faces challenges in producing fine details such as fingers and text within images consistently. There are also issues with workflows and workarounds that need to be configured for image generation, indicating that the process is not yet streamlined or simplified.

  • Why is the attention mechanism important in language modeling?

    -The attention mechanism is crucial in language modeling because it allows the model to focus on multiple locations when generating a word, encoding information about the relationships between words. This helps the model understand the context and meaning of sentences more accurately.

  • How does the attention mechanism potentially benefit AI image generation?

    -The attention mechanism can benefit AI image generation by enabling the AI to pay attention to specific locations within an image, making it easier to consistently synthesize small details. This is important for creating coherent and contextually accurate images.

  • What is the significance of combining transformers with fusion models in AI image generation?

    -Combining transformers with fusion models is significant because it leverages the strengths of both architectures. Transformers, with their attention mechanisms, can handle complex relationships within data, while fusion models are currently the best at generating images. This combination is expected to lead to more advanced and coherent AI-generated images.

  • What are the key features of Stable Diffusion 3?

    -Stable Diffusion 3 introduces new techniques like bidirectional information flow and rectify flow, which enhance its capabilities at generating text within images. It also uses a complex structure that integrates the strengths of transformers and fusion models, and it's capable of generating high-quality images, especially complex scenes with text.

  • How does Sora, the text-to-video AI model, differ from previous models?

    -Sora is notable for adding space-time relations between visual patches extracted from individual frames, which allows it to generate videos with high fidelity and coherency. This is a significant advancement over previous models that did not account for the temporal aspect of video generation.

  • What is the potential impact of the architecture used in Sora on future media generation?

    -The architecture used in Sora could be the next pivotal architecture for media generation. It not only improves image generation but also video generation, indicating that this approach could lead to significant advancements in how media content is created in the future.

  • How does Domo AI differ from other AI video generation services?

    -Domo AI is a Discord-based service that is particularly user-friendly, allowing users to generate and edit videos and images with text prompts in a simplified process. It excels at generating animations and offers a range of customized models for different styles, making it accessible and efficient for users.

  • What are the main challenges in making AI-generated videos like those produced by Sora available to the public?

    -The main challenges include the high computational resources required for inference, which can be costly and time-consuming. Additionally, there are safety and ethical considerations that need to be addressed before such technologies can be widely released to the public.

  • What is the potential of diffusion models in the future of AI media generation?

    -Diffusion models hold significant potential in the future of AI media generation as they are expected to continue improving the quality and coherence of generated media. Models like Sora and research from companies like Nvidia and Stability AI suggest that diffusion models could lead to breakthroughs in video generation and other media creation fields.



🤖 AI Image Generation Progress and Challenges

The paragraph discusses the rapid progress in AI image generation, noting that we are near the peak of the development curve. It highlights the difficulty in distinguishing real from AI-generated images and the remaining imperfections that researchers aim to perfect. The importance of the attention mechanism in language models is emphasized, and its potential application in image generation is explored. The conversation also touches on the potential of combining different AI technologies, such as chatbots and diffusion models, to improve image generation. The emergence of diffusion Transformers and their role in the latest state-of-the-art models like Stable Diffusion 3 and Sora is detailed, showcasing their capabilities in generating intricate details and complex scenes.


🎥 Advancements in Video Generation and Computational Demands

This paragraph delves into the engineering aspects of video generation using AI, specifically discussing the fusion Transformers' role in adding space-time relations to visual patches. It questions the complexity of the architecture and suggests that scaling computation might be a significant factor in achieving high-fidelity results. The potential of the DIT architecture as a pivotal structure for future media generations is highlighted, with examples such as Nvidia's def-it and Stability AI's HD. The paragraph also addresses the computational demands that may be hindering the public release of models like Sora, which produces highly realistic videos. Finally, it introduces Domo AI as an accessible alternative for generating videos and images, emphasizing its ease of use and capabilities in animation styles.



💡Sigmoid curve

The sigmoid curve is a mathematical function that represents the growth process of certain phenomena, often used to model the adoption of new technologies or the development of AI. In the context of the video, it refers to the rapid progress in AI image generation, suggesting that we are nearing the peak of this development curve. The script mentions that while significant advancements have been made, there is still room for improvement, as AI-generated images still have minor issues to address.

💡AI image generation

AI image generation is the process by which artificial intelligence algorithms create visual content, such as photographs or illustrations, without human intervention. The video discusses the current state of this technology, highlighting the impressive progress made in a short span of time and the challenges that remain, such as generating realistic details like fingers and text within images. The term is central to the video's theme, as it explores the advancements, limitations, and future directions of AI-generated imagery.

💡Fusion models

Fusion models in the context of AI refer to the combination of different neural network architectures to improve the performance of AI image generation. The script suggests that while these models are effective at generating high-quality images, they are complex and require significant computational resources. The video discusses the need for a simpler, yet effective backbone for image generation that can still utilize the strengths of fusion models.

💡Attention mechanism

The attention mechanism is a feature of large language models that enables the AI to focus on specific parts of the data it is processing. In the context of the video, it is highlighted as a crucial component for improving language modeling and potentially for enhancing AI image generation by allowing the model to better understand and synthesize small details within images. The script indicates that this mechanism is key to the advancement of AI in both text and image domains.


Transformers are a type of neural network architecture that has gained popularity in natural language processing tasks. The video discusses the pivot towards diffusion Transformers, which integrate the attention mechanism with fusion models to create state-of-the-art AI image generation techniques. The script suggests that these models are set to become the new standard in the field, offering improved performance and capabilities.

💡Stable Diffusion 3

Stable Diffusion 3 is mentioned in the script as a new and advanced model for AI image generation that has not yet been officially released. It is described as having a complex structure and demonstrating impressive results in generating detailed and coherent images, including text. The video positions Stable Diffusion 3 as a potential game-changer in the field, showcasing the capabilities of diffusion Transformers and setting high expectations for its future release.

💡DIT (Diffusion Transformers)

Diffusion Transformers, or DIT, are a novel neural network architecture that is discussed in the context of their potential to revolutionize media generation, including both images and videos. The script suggests that DITs could be the next pivotal architecture for this purpose, building on the success of models like Sora and offering promising avenues for future research and development in AI-generated content.


Sora is a text-to-video AI model developed by OpenAI, as mentioned in the script. It is praised for its ability to generate highly realistic and coherent videos based on textual descriptions, showcasing the potential of DIT architectures. The video points out that while Sora is not yet available to the public, its demonstration of the capabilities of AI in video generation has been a significant milestone in the field.

💡Domo AI

Domo AI is a Discord-based service mentioned in the video as an alternative for those interested in generating videos, editing images, and animating images with AI. It is described as user-friendly and efficient, offering various models for different styles of animation and illustration. The script highlights Domo AI's simplicity and effectiveness in generating content, particularly its image animate feature, which allows users to turn static images into moving sequences.

💡Computational resources

Computational resources refer to the hardware and software capabilities required to perform complex tasks, such as training and running AI models. The video discusses the significant amount of computational resources needed for models like Sora, suggesting that this might be a barrier to making such advanced AI tools available to the public. The script implies that the impressive results achieved by these models are partly due to the massive scale of computation used in their training.

💡Media Generation

Media Generation encompasses the creation of various forms of media content, such as images, videos, and animations, using AI technologies. The video positions media generation as a key application area for AI advancements, particularly highlighting the progress in image and video generation. The script suggests that the development of models like DIT and the work of services like Domo AI are pushing the boundaries of what is possible in creating media content with AI.


AI image generation is rapidly progressing, with recent advancements making it difficult to distinguish between real and AI-generated images.

Despite significant progress, AI image generation still has areas to improve, such as generating detailed elements like fingers and text.

The current state of AI image generation is not yet at the peak of the technological progression curve, indicating potential for further development.

Researchers are exploring simpler solutions to improve AI image generation, considering the vast array of current workflows and workarounds.

Combining different AI technologies, such as AI chatbots and diffusion models, could potentially enhance image generation capabilities.

The attention mechanism used in large language models is being considered for its potential to improve relational connections in image generation.

Diffusion Transformers, which incorporate attention mechanisms, are emerging as a pivotal architecture for state-of-the-art models in AI image generation.

Stable Diffusion 3, a new model, is showing promising results in generating detailed and complex images, surpassing previous methods.

Stable Diffusion 3 introduces new techniques like bidirectional information flow and rectify flow, enhancing its text generation within images.

The architecture of Stable Diffusion 3 is complex, but its base model performance is already impressive.

Stable Diffusion 3's ability to generate text, even in cursive, indicates a high level of detail and coherence in its outputs.

Stable Diffusion 3's multimodal capabilities may eliminate the need for control nets, directly conditioning image generation on images.

Sora, a text-to-video AI model, is generating highly realistic videos, showcasing the potential of the dit architecture for media generation.

The success of Sora may be attributed to scaling compute resources, indicating the importance of computational power in AI advancements.

Dit architecture could be a key development in media generation, with models like Sora and others from Nvidia and Stability AI showing its potential.

The compute required for inference in models like Sora may be a factor in their limited public availability.

Domo AI, a Discord-based service, offers an alternative for generating videos, editing, animating, and stylizing images with ease.

Domo AI excels in generating videos and images in various animation and illustration styles, simplifying the creative process.

Domo AI's image animate feature allows users to turn static images into moving sequences, offering a new dimension to image-based content creation.