OpenAI says ChatGPT and its broader product family now reach more than one billion weekly active users , a scale that makes AI assistants a practical operating question for far more businesses. The company also says its products serve 2.5 million businesses , according to a mid-August 2026 usage snapshot. The milestone does not mean every organization has an effective AI strategy. It does mean familiarity with AI copilots is increasingly widespread among employees, customers, and prospective...