TL;DR: Claude 3.5 Sonnet has Anthropic's API business surging, hitting a Sacra-estimated $664M ARR this year (up 5x this year to date) and narrowing the gap with OpenAI's—meanwhile, OpenAI is doubling down on dominating consumers with ChatGPT ($2.9B ARR, up 2.5x) and its impending integration into Apple Intelligence. For more, check out our full reports on OpenAI (dataset) and Anthropic (dataset)...