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Nerdict
GPT-6 Lunamaxin Codex CLIBrowser OS
Score18/19missed: Maximize fills the screen
Cost$0.016
Time3m41s
Runs of this setup#1 18/19#2 7/19#3 19/19
Browser OS by GPT-6 LunaOpen it running ↗

This is the exact file the model wrote, unedited, served from an isolated domain with the network blocked, as in the test.

What the robot did

The comparison clip (the same script for every model)

Checks

18/19

Written from the prompt (test v1, checks v4). The model never saw them.

  • ✓Opens without a page error
  • ✓Taskbar and clock visible10:31 AM Sat, Oct 10
  • ✓Animated wallpaperquadros diferentes
  • ✓Right-click menu on the desktop6 elemento(s) novo(s) perto do clique
  • ✓Double-click opens Notes
  • ✓Double-click opens Calculator
  • ✓Double-click opens Files
  • ✓Double-click opens Game
  • ✓Double-click opens Settings
  • ✓Window drags by its title bar(175,92) → (415,242)
  • ✗Maximize fills the screen820×545
  • ✓Minimize hides the windowescondida
  • ✓Close removes the windowsumiu
  • ✓Clicking a window brings it to the frontapós clicar nas notas: notes; após clicar na calculadora: calculator
  • ✓Calculator: 12 + 30 = 42visor: '42'
  • ✓Notes survive a reloaddepois do reload: 'nerdict-7319 hello from the Nerdict bench'
  • ✓No uncaught exception during the session
  • ✓No console errors
  • ✓No network attempts
Model
GPT-6 Luna gpt-6-luna
Reasoning effort
max
Started
Oct 9, 18:52 UTC
Harness
Codex CLI 0.162.0, by OpenAI (not ours) · one shot · tools used: 0
Harness settings
isolated container with no global instructions, read-only sandbox; shell, browser, apps, multi-agent and web off; empty /work folder · imagem=nerdict-bancada-codex:0.162.0 · sandbox=read-only
Tokens
in 9,042 · cache read 0 · out 29,426 · reasoning 8,921 · requests 1
Cost
$0.016 API-equivalent · extra spend $0 (subscription)
Test
Browser OS v1 · checks v4 · prompt 213e11b5fdb9
Output file
74.5 KB · sha256 0d07a915f80a
Run id
20261009T185206Z_browser-os-v1_luna-max_r1