Anthropic's IPO could raise $100 billion or more, with the AI company's valuation potentially reaching $1.5 trillion to $2 trillion. The target valuation and share issuance details remain undisclosed and may not be announced for approximately two weeks, after which Anthropic will file an updated listing document incorporating investor feedback. The company plans to list during the week of November 16, though timing may still shift. Anthropic's projected spending on computing power and infrastructure agreements is expected to reach $125 billion to $150 billion.