Google plans to invest up to $40 billion into Anthropic in what could be viewed as a circular deal with the AI startup (and frequent competitor), Bloomberg reports . The search giant has invested in Anthropic at multiple points in the past, but this new investment comes after an announcement that the AI startup had signed a joint agreement with Google and Broadcom for "multiple gigawatts of next-generation TPU capacity." According to Anthropic, Google is committing $10 billion now at the company's current valuation, with an additional $30 billion on offer if Anthropic meets specific performance milestones. Through Anthropic's existing commitment to use Google's TPUs (tensor processing units) and servers, Anthropic says Google will also provide 5 gigawatts of computing capacity in 2027. If the structure of the deal and business relationship between Google and Anthropic sounds familiar, it might be because the AI startup recently announced something similar with Amazon.…