According to @CNBC, citing the Financial Times, Anthropic is preparing for one of the largest IPOs ever as it races with OpenAI, highlighting escalating competition in artificial intelligence that equity traders monitor for sector flows. According to @CNBC, the post does not disclose IPO size, valuation, timing, or listing venue, limiting immediate price discovery cues for traders. According to @CNBC, the headline offers no direct cryptocurrency market implications mentioned in the report.