Meta AI vs Grok vs Character.AI: 1.2B Users to 45M [2026]

Three AI chatbot apps are pulling ahead of the pack in late 2026, and none of them is the one most headlines focus on. While GPT and Gemini fight over API benchmarks, the real battle for daily attention is happening inside apps people already have open: Meta AI riding shotgun in WhatsApp and Instagram, Grok […]