Sources: OpenAI's Q2 revenue grew 18% QoQ to $6.7B, but its operating margin sank further; Anthropic more than doubled its revenue to $11.6B in the same period (Wall Street Journal)

OpenAI reported Q2 revenue of $6.7 billion, an 18% quarter-over-quarter increase, while its operating margin narrowed and the loss grew 32% to $12.3 billion after pausing reinforcement-learning training for two weeks following a Hugging Face breach. Anthropic more than doubled its revenue to $11.6 billion in the same period and posted a modest operating profit.