# Perplexity AI API Key
# Get your API key from: https://www.perplexity.ai/settings/api
# PERPLEXITY_API_KEY=your_perplexity_api_key_here
# OPENAI_API_KEY=your_openai_api_key_here
# Future API keys will be added here as more providers are supported
# ANTHROPIC_API_KEY=your_anthropic_api_key_here
# GEMINI_API_KEY=your_gemini_api_key_here
# Optional configuration
# OUTPUT_DIR=./output
# DEFAULT_MODEL=sonar-medium-online