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Nerdict
GPT-6 Lunamediumin Codex CLIBrowser OS
Score14/19missed: Opens without a page error · Animated wallpaper · +3 more
Cost$0.008
Time1m42s
Runs of this setup#1 19/19#2 14/19#3 16/19
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

14/19

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

  • ✗Opens without a page errorCannot access 'ctx' before initialization
  • ✓Taskbar and clock visible10:31 AM
  • ✗Animated wallpaperregião idêntica em 1,2 s
  • ✗Right-click menu on the desktop0 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(230,115) → (470,265)
  • ✓Maximize fills the screen1904×992
  • ✓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 hello from the Nerdict bench'
  • ✗No uncaught exception during the sessionCannot access 'ctx' before initialization; Cannot access 'ctx' before initialization
  • ✓No console errors
  • ✓No network attempts
Model
GPT-6 Luna gpt-6-luna
Reasoning effort
medium
Started
Oct 9, 17:27 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 8,450 · cache read 9,728 · out 13,330 · reasoning 170 · requests 1
Cost
$0.008 API-equivalent · extra spend $0 (subscription)
Test
Browser OS v1 · checks v4 · prompt 213e11b5fdb9
Output file
42.4 KB · sha256 8929e6b3f63c
Run id
20261009T172732Z_browser-os-v1_luna-medium_r2