The invisible AI assistant for your technical interview.
BigO operates at the system level, providing real-time O(n) analysis and code solutions without ever appearing in screen recordings or window captures.
* Key emailed instantly upon checkout.
while (low <= high) {let mid = Math.floor...// Solution generated}
Invisible to Screen Capture
Our content-protection layer ensures overlays are excluded from the window-capture APIs used by Zoom, Google Meet, Microsoft Teams, and CoderPad.
Under 5s Response
GPT-4o, Gemini, Claude, Grok, or Groq — pick your engine for instant code synthesis.
Zero-Config Setup
Download, paste your key, and launch. No browser extensions or complex IDE plugins required.
System Intelligence
BigO reads the captured screen and active problem context to deliver the optimal algorithm — with complexity analysis — the moment you hit a mental block.
System Architecture
A peek under the hood of the stealth execution layer.
RAW DATA COLLECTION
REAL-TIME ANALYSIS
CLIENT-SIDE RENDERING
Secure Your Career.
Don't let a minor performance anxiety derail your professional trajectory. Use the same tools industry veterans use to maintain a technical edge.