# AI Providers Guide

## Supported AI Providers

Your AI Interview Assistant now supports multiple AI providers! Here's how to set up and use each one:

## 🤖 **OpenAI (GPT)**
- **Models Available**: GPT-4o, GPT-4o-mini, GPT-4-turbo, GPT-3.5-turbo
- **API Key**: Get from [OpenAI Platform](https://platform.openai.com/account/api-keys)
- **Recommended Model**: GPT-4o-mini (good balance of speed and quality)
- **Cost**: Pay per token usage

## 🧠 **Anthropic (Claude)**  
- **Models Available**: Claude-3.5-Sonnet, Claude-3.5-Haiku, Claude-3-Opus
- **API Key**: Get from [Anthropic Console](https://console.anthropic.com/)
- **Recommended Model**: Claude-3.5-Sonnet (excellent reasoning)
- **Cost**: Pay per token usage

## 🔍 **Google (Gemini)**
- **Models Available**: Gemini-1.5-Pro, Gemini-1.5-Flash, Gemini-Pro
- **API Key**: Get from [Google AI Studio](https://aistudio.google.com/app/apikey)
- **Recommended Model**: Gemini-1.5-Flash (fast and efficient)
- **Cost**: Free tier available, then pay per token

## 🏠 **Ollama (Local)**
- **Models Available**: Llama3.2, Llama3.1, Mistral, CodeLlama, Phi3
- **Setup**: Install [Ollama](https://ollama.ai/) locally
- **No API Key Required**: Runs completely on your machine
- **Cost**: Free (uses your computer's resources)

## 🚀 **How to Setup**

### 1. **Choose Your Provider**
- Open the extension side panel
- Select your preferred AI provider from the dropdown

### 2. **Select Model** 
- Choose the specific model you want to use
- Different models have different capabilities and speeds

### 3. **Add API Key** (if required)
- Enter your API key for the selected provider
- Ollama doesn't require an API key
- Keys are stored securely in Chrome's storage

### 4. **Start Using**
- Click "Start Listening" to begin audio capture
- The extension will use your selected AI provider for responses

## 💡 **Tips**

- **For Speed**: Use GPT-4o-mini, Gemini-1.5-Flash, or Claude-3.5-Haiku
- **For Quality**: Use GPT-4o, Claude-3.5-Sonnet, or Gemini-1.5-Pro  
- **For Privacy**: Use Ollama (runs locally, no data sent to servers)
- **For Free Usage**: Try Google Gemini's free tier or set up Ollama

## 🔧 **Ollama Setup**

If you want to use Ollama (local AI):

1. Install Ollama from [ollama.ai](https://ollama.ai/)
2. Run: `ollama pull llama3.2` (or your preferred model)
3. Make sure Ollama is running: `ollama serve`
4. Select "Ollama (Local)" in the extension

## 🆘 **Troubleshooting**

- **"API key not set"**: Make sure you've entered a valid API key
- **"Failed to connect"**: Check your internet connection (or Ollama service for local)
- **"Invalid API key"**: Verify your API key is correct and has sufficient credits
- **Slow responses**: Try switching to a faster model like GPT-4o-mini or Gemini-1.5-Flash

## 🔒 **Privacy & Security**

- API keys are stored locally in Chrome's secure storage
- Only the selected provider receives your audio transcriptions
- Ollama option keeps everything completely local
- No audio data is stored permanently