.env.example

# Google Gemini API Key (FREE Developer Tier available at https://aistudio.google.com/)
GOOGLE_API_KEY=your_google_ai_studio_api_key_here

# Optional: Fallback Google API keys to bypass rate limits (can use different keys/accounts)
# GOOGLE_API_KEY_FALLBACK_1=your_first_fallback_gemini_key_here
# GOOGLE_API_KEY_FALLBACK_2=your_second_fallback_gemini_key_here


# Primary Gemini Model Selection (e.g. gemini-2.5-flash, gemini-2.0-flash)
MODEL_NAME=gemini-2.5-flash

# Prioritized comma-separated fallback Gemini models
FALLBACK_GEMINI_MODELS=gemini-2.0-flash,gemini-1.5-flash-latest,gemini-1.5-flash

# Optional: Groq Cloud API Key & Model (for sub-second response speeds, free keys at console.groq.com)
GROQ_API_KEY=your_groq_api_key_here
GROQ_MODEL=llama-3.1-8b-instant

# Optional: Ollama settings (for local open source backup, e.g. llama3.2, qwen2.5)
OLLAMA_MODEL=llama3.2
OLLAMA_BASE_URL=http://localhost:11434

# Optional: LangSmith Tracing for debugging and observation
# LANGCHAIN_TRACING_V2=true
# LANGCHAIN_API_KEY=your_langsmith_api_key_here
# LANGCHAIN_PROJECT=autostream-agent