Promethean

An AI assistant that organizes your assets and builds 3D worlds with you

Advanced API
Screenshot of Promethean, An AI assistant that organizes your assets and builds 3D worlds with you

What is Promethean?

Promethean is a generate concepts tool. Promethean AI is an AI assistant for professional 3D artists that indexes your existing image, video, 3D model and document assets, then helps assemble new environments through natural language inside Unreal, Unity, 3ds Max, Maya or Blender.

Promethean AI is an assistant for professional 3D artists that keeps a searchable record of every creative asset a team has produced or collected, then uses that record to help assemble new scenes and worlds with natural language requests. The company describes it as a braintrust of the creative decisions a team has made, served up at the moment an artist needs them. It is aimed squarely at environment artists, level designers, art directors and visualization studios working in game engines and DCC packages, with fantasy world building as one of the more visible use cases on the marketing side. In practice the workflow starts with your own material. Reference images and inspiration files go into the Browser's Inspiration mode, and folders of 3D assets get dragged into Source File mode and synced, so the library updates whenever the folder changes. Once that metadata exists, an artist asks for what they want in plain language and Promethean proposes and configures combinations of assets to help build the scene. Assets stay where they already live; the product builds a metadata library around them, which can be shared through a shared folder, a MySQL server or S3 storage. The strongest differentiator is the integration model. Promethean sits on top of an existing pipeline rather than replacing it, and open source plugins exist for Unreal, Unity, 3ds Max, Maya and Blender, with Unreal positioned as the primary integration. The vendor states that asset files are never uploaded, stored or used for training, and that enterprise partners can train custom models in a way that keeps access to their data. That pitch, plus public references to Sony and Disney, explains why the tool reads as an enterprise product rather than a consumer AI toy. Compared with image generators that output flat concept art, Promethean works inside the 3D toolchain and depends on artist input at each step. The tradeoff is that its value scales with the quality and size of your existing asset library, and the free plugins are not guaranteed against every editor version. Pricing is not published on the homepage, so enterprise conversations are the practical route to a quote.

How do you use Promethean?

  1. 1Add your references to Inspiration mode
    Open the Browser and drop image and document references into Inspiration mode. Promethean uses this material when answering design questions about the scene you are building.
  2. 2Sync a folder of 3D assets
    Drag a folder of 3D assets into Source File mode and choose to sync it. On later changes the library refreshes automatically, keeping the most relevant assets in front of the team.
  3. 3Install the plugin for your 3D editor
    Download the open source plugin for Unreal, Unity, 3ds Max, Maya or Blender from the project repository and connect it to your library.
  4. 4Build a scene with natural language
    Ask for the environment or asset arrangement you want and let Promethean propose and configure combinations from your library. Review each suggestion and adjust it as an artist.
  5. 5Share the library with your team
    Point the team at a shared folder, MySQL server or S3 storage so everyone works from the same metadata library while asset files stay in their original location.
  6. 6Explore custom model training
    Teams with large asset libraries can review the enterprise API and custom model options to train models on their own material for faster large world builds.

Pros and cons

Pros

  • Works on top of an existing pipeline, so assets and 3D editors stay in placeAI
  • Open source plugins for Unreal, Unity, 3ds Max, Maya and BlenderAI
  • Homepage states asset files are never uploaded, stored or trained onAI
  • Inspiration and source file modes turn existing reference and asset folders into a searchable libraryAI
  • Custom model training offered to enterprise partners for larger world buildsAI

Cons

  • Pricing is not published on the homepage, so cost requires a sales conversationAI
  • Plugin support across editor versions is not guaranteed; the company calls Unreal the primary integrationAI
  • Outputs require artist input at every step, so there is no fully automated asset generationAI
  • The library is only as useful as the assets and references a team already ownsAI
  • Enterprise customization leans on Python work for proprietary workflowsAI

How much does Promethean cost?

Integrations

Open source plugins are available for Unreal, Unity, 3ds Max, Maya and Blender, with Unreal as the primary integration. Integrations are built in C++, C# and Python and can be customized for proprietary pipelines.

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Features

An AI engine that indexes images, videos, 3D models, 3D animations, PDFs and slide decks, then reasons about them to configure new combinations on request. Includes Inspiration and Source File modes, a shareable metadata library, custom model training for enterprise partners, and natural language scene building inside your existing 3D editor.

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Frequently asked questions about Promethean

  • Does Promethean have an API?
    Yes, Promethean offers an API.
  • How do you use Promethean?
    The walkthrough on this page covers 6 steps: 1. Add your references to Inspiration mode 2. Sync a folder of 3D assets 3. Install the plugin for your 3D editor 4. Build a scene with natural language 5. Share the library with your team 6. Explore custom model training.
  • What platforms does Promethean support?
    Promethean is available on Windows, MacOS and Linux.
  • What does Promethean integrate with?
    Open source plugins are available for Unreal, Unity, 3ds Max, Maya and Blender, with Unreal as the primary integration. Integrations are built in C++, C# and Python and can be customized for proprietary pipelines.
  • What are the limitations of Promethean?
    Pricing is not published on the homepage, so cost requires a sales conversation. Plugin support across editor versions is not guaranteed; the company calls Unreal the primary integration. Outputs require artist input at every step, so there is no fully automated asset generation.

Status

StatusActive
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Added10/21/2026

Platforms

WindowsMacOSLinux

Pricing

Paid