Anthropic has filed for an initial public offering (IPO), overtaking OpenAI in the race to go public. Previously, OpenAI was favored with a 76% chance of IPOing first, but Anthropic's recent filing has shifted the odds, now giving Anthropic a 76% likelihood of debuting on the public market before its competitor. This development follows Anthropic's recent major funding round, which has likely increased confidence in its IPO readiness. Both Anthropic and OpenAI are prominent players in the U.S. AI sector, and their potential IPOs are highly anticipated. The shift in market expectations underscores the competitive landscape of the AI industry and the strategic maneuvers companies must undertake in capital markets. Observers are advised to watch for further announcements from both companies that could influence their IPO timelines.