SpaceXAI Launches Grok Build Mode for SuperGrok Heavy
On July 28, 2026, SpaceXAI introduced Build Mode—an early-beta product for SuperGrok Heavy subscribers that turns a chat prompt into a live website, app, game, or dashboard and publishes it to a shareable grok.me (or custom-domain) link on web, iOS, and Android.
TLDR
SpaceXAI on July 28, 2026 launched Build Mode in early beta for SuperGrok Heavy subscribers. Users describe an idea; Grok writes code and shows a working preview inside the chat on grok.com, iOS, and Android, then publishes to a grok.me link or a custom domain. Nothing to install for the default path—Sites-class hosted creation, Grok-branded.
What shipped
| Item | Detail (x.ai primary) |
|---|---|
| Product | Build Mode (mode switcher: choose Build) |
| Access | Early Beta — SuperGrok Heavy only |
| Surfaces | Web (grok.com), iOS, Android |
| Outputs | Websites, apps with state/logic, games (including 3D), interactive dashboards (with connectors) |
| Publish | grok.me share links or custom domains |
| Workflow | Prompt → live preview in conversation → iterate layout/features → publish |
Primary demos on the announcement include a forest driving game, isometric city sim, 3D physics playground, and browser beat machine—each generated from a single natural-language brief.
Product-line placement
Build Mode is distinct from:
- Grok Build (coding agent / TUI / open-source harness — earlier July posts)
- Grok Automations (scheduled jobs)
- Microsoft / Workspace add-ins (Outlook, Excel, Word, PowerPoint)
It competes in the same consumer/prosumer lane as ChatGPT Sites-style hosted builders: describe → ship a URL, not only generate code for local deploy.
Why this story matters
Frontier labs are racing to own end-to-end creation, not just chat completions. Build Mode ties Grok 4.5-era coding to a publish surface and a paid SuperGrok Heavy gate—clear monetization for agentic generation. Watch quality of multi-session apps, domain/custom hosting reliability, and whether the tier gate expands beyond Heavy after beta.