Phenaki

Phenaki

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29 Feb, 2024
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Phenaki, developed by Google DeepMind, is a cutting-edge platform that transforms text prompts into realistic videos. Employing an encoder-decoder model with causal attention and a transformer model, Phenaki efficiently translates text embeddings into video tokens, enabling the creation of videos of varying lengths. Its joint training approach, utilizing image-text pairs and video-text examples, enhances generalization. Phenaki stands out for its capability to generate arbitrarily long videos from open-domain prompts. Impressively, it is available for free, making it accessible to a wide user base.

Phenaki Features

  • Video Synthesis from Text: Converts text prompts into realistic videos.
  • Encoder-Decoder Model: Compresses videos to discrete embeddings, handling variable-length videos with causal attention in time.
  • Transformer Model: Translates text embeddings to video tokens, then de-tokenizes them to create videos.
  • Joint Training Approach: Uses a combination of image-text pairs and video-text examples for improved generalization.
  • Long Video Generation: Capable of producing arbitrarily long videos from sequences of open-domain prompts.

Phenaki Pricing

It’s FREE to use for all!

Phenaki Usages

  • Film and Media Production: Automating aspects of video creation for movies, documentaries, and advertising.
  • Virtual Reality Content: Generating immersive video content for VR applications.
  • Educational Tools: Creating educational videos directly from textual educational materials.
  • Content Customization: Tailoring video content to specific audiences based on textual descriptions.

Phenaki Competitors

  • Adobe Sensei: Adobe Sensei is a sophisticated AI and machine learning platform that aids analysts, marketers, creatives, advertisers, and business professionals in streamlining workflows from conception to production by automating time-consuming operations and improving control of processes.
  • Runway: Runway is an artificial intelligence specifically designed to produce original, aesthetically-pleasing and realistic videos from simple text prompts. A platform of machine learning models, or artificial intelligence, is what it is in more precise terms with the slogan "No lights, no camera, All action", referring to their desire to upend the video production sector. Its goal is to create innovative videos and images based on text inputs.
  • Descript: Descript is powered by AI to create videos for professionals, beginners and amateurs. Trusted by Stanford, Audible and The New York Times, Descript has features made to make your video editing experience not only productive but fun! 

Phenaki Launch and Funding

Phenaki was launched in October 2022 by Google DeepMind.

Phenaki Limitations

  • Dependency on Text Descriptions: Relies heavily on the clarity and detail of textual prompts for video generation.
  • Complexity Handling: May struggle with generating videos for extremely complex or abstract narratives.
  • Computational Demand: Requires significant processing power for rendering videos.
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Phenaki is a model that can generate realistic videos from textual descriptions.

Phenaki can generate coherent long-form visual stories from a chain of prompts, with a core resolution of 128x128 pixels.

Phenaki addresses the challenges of generating videos from text by using two main components: an encoder-decoder model and a transformer model.

Phenaki uses causal attention in time for both the video encoder-decoder and the text encoder, which allows it to work with variable-length inputs and outputs.


Phenaki consists of two main components: an encoder-decoder model that compresses videos to discrete tokens, and a transformer model that translates text tokens to video tokens.

Phenaki can handle open-domain prompts that can change over time, such as “A teddy bear swimming in the ocean” or “An astronaut dancing on Mars”. Phenaki uses a bi-directional masked transformer to generate video tokens from text tokens, which can capture the temporal and semantic dependencies between the prompts.


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