Wednesday Sep 2
COOL TOOLSRunway

Runway Generates Apps Frame By Frame

2SEP
SOLARIS NO CODE

Runway announced a model that draws working app screens instead of code. Solaris renders each frame as you click. No HTML, no CSS, no JavaScript underneath.

It sits on Gen-4.5, the company's video system. Your clicks and drags become the prompt for the next image. The picture is the software.

In a 250-person study, testers preferred it over Claude Opus 5 for following instructions, 61% to 24%. On behaving naturally it won 71% to 21%.

Nobody can use it yet. Early access is a form. Banking and healthcare are out entirely, because there is no DOM for auditors or screen readers to read.

full brief & sources

⚡ Why this matters

  • A generated interface has no code artifact. The screen itself is the product.
  • If it holds, the gap between a convincing prototype and a shipped app narrows to a prompt.
  • It also breaks everything that expects a DOM: tests, accessibility tools, analytics.

🔍 What happened

  • Runway announced Solaris on August 31, 2026.
  • It builds on Gen-4.5, the company's video generation model.
  • User clicks and drags become the prompt for the next rendered frame.
  • There is no HTML, CSS, or JavaScript behind the interface.
  • A 250-person study preferred it over Claude Opus 5 on instruction-following, 61% to 24%.
  • On behaving naturally it won 71% to 21%.
  • Access is an early-access form; banking and healthcare uses are excluded.

💬 Smart takes

  • Runway: describes Solaris as rendering interfaces frame by frame in response to input, rather than generating code a browser runs.
  • Skeptic: with no DOM there is nothing for a screen reader, an automated test, or an auditor to read.

🧭 Where this goes

  1. Likelyearly access stays narrow through the end of 2026.
  2. Likelyrivals ship generated-UI demos within months, still code-backed underneath.
  3. Possiblefirst real uses are games, toys, and marketing pages rather than apps.
  4. Wild Cardsomeone ships it in a regulated flow and an accessibility complaint stops it.

🥄 The Spoon Take

Generated pixels can look perfect and still fail the boring parts. A stable layout on the fiftieth click. A form that submits the same way twice. A page a screen reader can read. Runway excluding banking and healthcare on day one is the honest tell about where this actually is.

🤔 Pushback

The preference numbers come from Runway's own study, not an independent benchmark. Nobody outside early access has used it, and short tests say nothing about long sessions.

·Introducing Solaris (Runway)·Runway's Solaris generates interfaces instead of code (The New Stack)·Runway Solaris launches: app interfaces now run as live video, zero code (Tech Times)