Artificial-intelligence startup Anthropic — whose backers include Google and Amazon — on Monday launched an updated group of AI chatbots called Claude 3, claiming they are its fastest and most powerful yet. The company claims Claude 3 Opus, the most intelligent of its three new models, outperforms Google’s Gemini Ultra and OpenAI’s GPT-4 across industry benchmark tests, including level expert knowledge, graduate-level expert reasoning, and basic mathematics. “It exhibits near-human levels of comprehension and fluency on complex tasks, leading the frontier of general intelligence,” Anthropic said in a statement. Anthropic claims its new AI suite outperforms Google’s Gemini Ultra and...