ChatGPT app crosses 1 billion monthly active users in 3 years of launch; India 20% of this user base

ChatGPT app hits 1 billion monthly active users in record time, data shows

ChatGPT hit 1B MAU in three years—fastest ever—but Claude's 640% YoY growth erodes OpenAI's lead. Anthropic and OpenAI's IPO filings signal market consolidation; IT teams must recalibrate AI sourcing strategies.