NEWIPO
OpenAI IPO filing raises 83% chance of public debut before Anthropic
Published on 5/20/2026

AI Summary
OpenAI Inc. is reportedly set to confidentially file for an IPO as soon as Friday, changing market predictions. Traders on Kalshi now assign an 83% chance for OpenAI (OPENAI) to debut before Anthropic, which has seen its odds drop from 69% to 20%. This potential IPO is significant, as it may set a market valuation and allow OpenAI to gain early investor access. Concerns over OpenAI's spending and missed targets have affected its investor outlook, contrasting with Anthropic's recent strong growth and a new funding round potentially valuing it at $900 billion.



