Notes /
Gemini 4 Argon: the one-shot test
Same one-shot showcase test, now on Gemini 4 Argon. It skipped the cosmic metaphors and built a dashboard of live simulations.
Gemini 4 Argon just showed up in my Antigravity CLI, so I ran my usual one-shot test on it.
Same rules as before: the model writes a prompt for itself, then builds a page that shows itself off from that prompt. One shot, no fixes.
Earlier runs: DeepSeek v4 in April and Kimi K3 in July (Kimi K3 vs DeepSeek v4). Both built cosmic orreries. Argon went a different way: a dark mission-control dashboard with live simulations.
Live demo: argon-one-shot-demo.madeby.dev
About 2 minutes to write a 1,200-word prompt, then about 28 minutes to build it. React, TypeScript, Vite.
The fun bits:
- A swarm of a few hundred boids that runs away from your cursor, with a live counter of how many checks it skips.
- A little synth: drag the sliders and the sound changes in real time.
- A fake IDE with an “Inject fault” button: tests go red, the “agent” patches it.
The UI is heavy and a bit clunky, but the swarm alone is worth a minute of your time.
Snags: in headless mode the CLI couldn’t run shell commands without permission, so I reran it with permissions skipped. After that I fixed the social preview image (it was an inline SVG, which X and LinkedIn ignore) and a header that wrapped on smaller screens.
Full page:
