# Runway Launches Solaris: Interface World Model Generates Live UI Without Code

> Runway is best known for AI video, so its new project Solaris is a curveball. The company calls it an Interface World Model, and instead of generating clips it generates software interfaces, rendering each frame of a working app in real time. When you click or drag, that action becomes the input that conditions the next frame the model produces. The provocative claim is that there is no code underneath. Rather than a design being translated into HTML or a program, the visual output is the software itself, which Runway argues could open workflows that traditional app development cannot. It is early access, and the company is candid about rough edges: text can be hard to read, and long sessions tend to drift as the model loses track of state. Whether this becomes a real tool or stays a research demo is unclear, but it is a genuinely different idea about what building an interface could mean when a model, not a codebase, holds the app together.

_Section: [Daily AI Updates](https://www.wortins.com/daily-ai) · Source: Runway · Published Wednesday, September 2, 2026_

## Wortins' read

Runway is best known for AI video, so its new project Solaris is a curveball. The company calls it an Interface World Model, and instead of generating clips it generates software interfaces, rendering each frame of a working app in real time. When you click or drag, that action becomes the input that conditions the next frame the model produces. The provocative claim is that there is no code underneath. Rather than a design being translated into HTML or a program, the visual output is the software itself, which Runway argues could open workflows that traditional app development cannot. It is early access, and the company is candid about rough edges: text can be hard to read, and long sessions tend to drift as the model loses track of state. Whether this becomes a real tool or stays a research demo is unclear, but it is a genuinely different idea about what building an interface could mean when a model, not a codebase, holds the app together.

## Source

[Read the full story at Runway](https://runway.com/news/research/introducing-solaris)

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