Anthropic's IPO prospectus reveals a net loss of $42 billion in 2025, highlighting the high costs of AI scaling. The company reported a 12-fold revenue increase to nearly $4.6 billion, despite operating losses exceeding $8 billion. CEO Dario Amodei emphasizes the need for caution in AI deployment while addressing competitive pressures. Anthropic aims for a valuation exceeding $2 trillion in its upcoming public offering.