In a blog post on Thursday , Anthropic wrote that it “has raised $65 billion in Series H funding led by Altimeter Capital, Dragoneer, Greenoaks, and Sequoia Capital, valuing the company at $965 billion post-money.” The most recent blog post along similar lines from OpenAI places its valuation at $852 billion. That means the top of the leaderboard has flipped. Among AI-first tech companies, Anthropic, “the Claude one,” is now technically more valuable than OpenAI, “the ChatGPT one.” There are, however, some mitigating factors to keep in mind about these valuations. First of all,   as critics like Ed Zitron avidly and constantly point out (as well as more staid, mainstream critics like HSBC ), AI as a core business is—to say the leas—unproven as a strategy for long-term profitability.…