OpenAI And Anthropic Employees Will See Tax Surprises After IPO

What happened

OpenAI and Anthropic employees will face a tax system that takes its cut before any cash from an IPO arrives, meaning they owe taxes before receiving any proceeds.

Confirmed

Global impact / market context

The rule reduces the net benefit employees receive from their equity, potentially lowering morale and affecting talent retention at fast‑growing AI firms.

Analyst inference

Both firms are expected to list soon, and investors are watching how the pre‑IPO tax rule for employee equity could affect hiring costs and overall profitability.

Analyst inference

What to watch

1. Any clarification from tax authorities on how the pre‑IPO tax rule will be applied to employee stock options at OpenAI and Anthropic. Confirmed
2. The actual IPO pricing and timing for OpenAI and Anthropic, as higher valuations could offset the tax burden for employees. Proposed
3. Company statements on how they will support employees with the tax liability, such as cash advances or tax‑gross‑up programs. Proposed

Evidence

• catenaa.com