Runway's Solaris renders live app interfaces frame-by-frame, no code
The 'world model' makes interactive UIs as live video and beat coded ones in tests — but it's waitlist-only. Plus: the Pentagon's portal still snubs Claude.
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It generates interfaces, not code
Solaris is Runway's first 'Interface World Model': it renders an interactive app frame-by-frame in real time, treating your clicks, drags and typing as conditioning for the next frame — the way its video models treat a prompt. A language model decides what the interface should do; Solaris renders how it looks. No HTML, no components, no build step.
What you could actually make with it
Runway's demos include a virtual try-on store where you drag clothes onto yourself, an interactive recipe builder, custom storefronts, and tutorials that adapt as you progress. The builder pitch: describe an interface and get a working, reactive one back as video, with no front-end to write or maintain.
You can't ship on it yet
This is research plus a waitlist, not an API. Runway says it's 'working with key partners' to launch Solaris publicly and is collecting early-access signups on the announcement page — so treat it as a capability to plan around and sign up for, not one to build on this weekend.
It beat hand-coded UIs in tests — read the caveats
In Runway's own user studies, people preferred Solaris-generated interfaces over coded ones 61-71% of the time. But the announcement gives no latency, resolution or frame-rate numbers and every result is qualitative, so how it holds up under real, sustained interaction is still an open question.
Elsewhere: the Pentagon's AI portal adds ChatGPT and Grok, still no Claude
GenAI.mil, the DoD's internal AI portal used by about 1.5M people, added OpenAI's ChatGPT and xAI's Grok for Government alongside Google's Gemini, both cleared to Impact Level 5 for sensitive unclassified data. Anthropic's Claude stays out — even after an August federal ruling called its earlier removal 'illegal and baseless' — a reminder that model access is now a procurement fight, not just a technical one.