.env.example

# API Configuration
# Copy this file to .env and fill in your actual API keys

# OpenAI API Key (required for formula explanation and OpenAI benchmarking)
# Get your API key from: https://platform.openai.com/api-keys
OPENAI_API_KEY=your_openai_api_key_here

# OpenRouter API Key (optional, only needed for benchmarking with OpenRouter models)
# Get your API key from: https://openrouter.ai/keys
# Allows access to models from Anthropic, Google, Meta, and more
OPENROUTER_API_KEY=your_openrouter_api_key_here

# Optional: Override default model (default is gpt-5)
# MODEL_NAME=gpt-4o
# MODEL_NAME=gpt-5-mini

# Optional: Set temperature for non-GPT-5 models (0.0 to 2.0, default is 0.7)
# Note: GPT-5 models do not support custom temperature values
# TEMPERATURE=0.7