Anthropic's planned Nasdaq initial public offering, which had been targeted for October or November 2026 at a valuation of up to $2 trillion, has been clouded by an industry push to coordinate the pace of advanced AI development. CEO Dario Amodei called on Sept. 12 for third-party evaluations and shared safety standards, an approach OpenAI CEO Sam Altman backed while confirming that OpenAI had removed a 2026 IPO from consideration. OpenAI confidentially filed an S-1 on June 8 and now expects to remain private until 2027 or later, citing safety priorities. Anthropic confidentially filed on June 1 and had sought to raise as much as $100 billion, including a potential $10 billion Nvidia investment, after its private valuation reached $965 billion. The companies' large operating losses, infrastructure commitments and long paths to profitability have heightened investor concerns, with SoftBank shares falling 13% on Sept. 14 as the slowdown narrative gained traction.