OpenAI reports $18 billion less revenue, hitting AI stocks Thursday

OpenAI told investors it had $18 billion less revenue than the $68 billion it reported last month, and AI-linked stocks including Nvidia, CoreWeave, Oracle and Nebius fell Thursday. Google debuted a Gemini assistant that can act autonomously, generate code and complete work across web, mobile and desktop. Anthropic released Claude Haiku 5.5 and halved Sonnet 5.5 cache read prices.