OpenAI says has more than 1 billion active users - The Korea Times

One billion users later, OpenAI is slashing prices to stay ahead

OpenAI reached 1 billion users and 2 million businesses, cutting Luna (GPT-5.6 low-cost) pricing 80% to compete with Anthropic and open-source models. AI agents' compute explosion is driving enterprises away from frontier models toward cheaper options—a shift that reshapes development budgets and stack evaluations.