🧠 Local AI Chatbot - Multi-Model Support & Electron Desktop App

A fully offline AI chatbot with wake-word detection, multi-model support, and a cross-platform desktop app built with Electron.
Now featuring Ollama & Mistral models, voice-to-text, and a secure local backend—NO internet required! 🚀

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🚀 Features

• ✅ Multiple AI Models (Mistral, BlenderBot, Falcon, T5, Flan-T5, Phi-2, Tiny-Llama, Distil-GPT2)
• ✅ Wake-word activation ("Computer" by default, customizable)
• ✅ Voice-to-text via speech_recognition
• ✅ Local AI chatbot (Mistral/Ollama backend)
• ✅ Electron Desktop App (Runs standalone)
• ✅ Offline text-to-speech with pyttsx3
• ✅ No internet required for core functions

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🛠️ Installation & Setup

1️⃣ Install Dependencies

sudo apt install portaudio19-dev
python3 -m venv venv
source venv/bin/activate
pip install -r requirements.txt

2️⃣ Set Up Picovoice (Wake Word)

1. Sign up at Picovoice Console
2. Get your Access Key and replace it in wake.py:

   ACCESS_KEY = "your-picovoice-access-key"

3. Optionally, train a custom wake word (e.g., "Lupenox")

3️⃣ Run the AI Chatbot

Use the Bash script to start both Flask and Node.js services:

/home/logan-lapierre/Desktop/personal_projects/local-ai-chatbot/run_chatbot.sh

Or start manually:

• Start the backend:

python ai_service.py

• Start the Electron desktop app:

npx electron .

Or run the standalone app (Local AI Chatbot in Applications).

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🎛️ Multi-Model Support

You can now switch AI models dynamically!

🧠 Available Models:

Model Name	Hugging Face ID
Chemistry-T5	GT4SD/multitask-text-and-chemistry-t5-base-augm
Mistral Instruct	mistralai/Mistral-7B-Instruct
BlenderBot (Chatbot)	facebook/blenderbot-400M-distill
Falcon-7B	tiiuae/falcon-7b-instruct
Flan-T5	google/flan-t5-small
Tiny Llama	TinyLlama/TinyLlama-1.1B-Chat-v0.3
Distil-GPT2	distilgpt2
Phi-2	microsoft/phi-2

🔹 To select a model, send a request:

curl -X POST "http://127.0.0.1:5001/generate" \
     -H "Content-Type: application/json" \
     -d '{"message": "Hello AI!", "model": "mistral"}'

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🖥️ Electron Standalone App

• The chatbot can now run as a desktop app!
• Installed in ~/Applications/LocalAIChatbot-linux-x64/
• To launch manually:

~/Applications/LocalAIChatbot-linux-x64/Local\ AI\ Chatbot --no-sandbox

• If the desktop shortcut doesn’t work, check local-ai-chatbot.desktop.

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📌 To-Do / Future Features

• Custom wake-word support (e.g., "Lupenox")
• Integration with Whisper AI for better speech recognition
• Smart home control (MQTT/Home Assistant)
• Advanced AI personality responses
• Local fine-tuning of AI models
• Convert .webp icons to .ico for better desktop integration

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💙 Contributions & Support

Want to improve the chatbot? Fork, star, and contribute! 🚀 Feel free to open an issue if you have feature ideas!

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