AI Claude maker Anthropic reported a sharp surge in revenue ahead of its planned stock market debut (IPO) later this month, but its latest financial filing also highlights the enormous costs of competing in the artificial intelligence race. The five year old company recorded $17 billion in third quarter revenue, up more than 1,100% from $1.4 billion a year earlier, AFP reported.The San Francisco based AI developer, founded by former OpenAI researchers Dario Amodei and Daniela Amodei, reported a net loss of $23.3 billion for the July-September quarter, according to its amended IPO filing cited by AFP.