To play against GPT-4, you'll need your own OpenAI API key. This key
is encrypted and stored only in your browser - we never see or store
it on our servers.
🔒 Security Notice:
Your API key is encrypted and stored locally in your browser
Only use this on trusted devices and secure networks
We recommend creating a dedicated API key with usage limits
You can choose to clear the key when you close your browser
Unchecked = API key clears when browser closes (more secure)