I Built FRIDAY AI (Iron Man) in Pure C++ - Fully Offline, No Python

2026-10-07来源 dev.to AIEnglish

I built FRIDAY - Iron Man's AI - but fully offline in C++ from Navsari, Gujarat.

No Python. No internet needed for core features.

I was tired of Python assistants that lag and need internet for everything. So I built one that runs 100% on my laptop.

Tech Stack:

  • C++17 - Pure, no external dependencies
  • Win32 SAPI 5.4 for voice input/output
  • Multithreading for non-blocking speech
  • Win32 API for system controls

Features I shipped in v14.0:

  • Battery percentage voice report - "Battery at 85 percent"
  • Voice time / date / weather
  • Opens YouTube / Google with voice - "Open YouTube"
  • Wikipedia search + maths solver
  • STARK-43 L1-L4 shutdown protocol
  • Non-blocking voice - You can interrupt it while it speaks

The hardest part - Non-blocking voice:

SAPI blocks by default. I fixed it with threading and a speech queue.

 cpp // My non-blocking core void speakAsync(const std::string& text) { std::thread([text]() { pVoice->Speak(text.c_str(), 0, NULL); }).detach(); } while (true) { listen(); if (command) speakAsync(response); }

原文：https://www.a8q9.cn/en/article/i-built-friday-ai-iron-man-in-pure-c-fully-offline-no-python-aa5504.html

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