⚠️ REQUIRES ANTHROPIC API KEY + xAI GROK API KEY. Visit console.anthropic.com and console.x.ai, create accounts, add billing, and paste your keys into the app. Google sign-in is optional but unlocks Gmail-powered personalization. Grok searches the real internet for facts about your subject. Claude writes their complete 2066 biography. ~$0.12–$0.25 per wiki. You pay Anthropic and xAI directly.