The AI arms race is about to get a ticker symbol.
The Summary
- OpenAI is eyeing a 2027 IPO, likely following Anthropic's expected public debut — the first time we have concrete timing on either company going public.
- These mega-rounds are reshaping VC economics: firms are raising record capital specifically to participate in late-stage AI deals.
- Watch for a new pattern: AI companies staying private longer while forcing VCs to compete at unprecedented scale for allocation.
The Signal
OpenAI is weighing an IPO as early as 2027, according to people familiar with the matter. The timing matters because it positions OpenAI to go public after Anthropic, its closest competitor in frontier AI. This is the first public signal either company has given about IPO timing. For context, OpenAI's last private valuation sat at $157 billion in October 2024. Anthropic was valued at $60 billion around the same time.
The sequencing is strategic. Anthropic goes first, sets pricing expectations, and shows public markets how to value a foundation model company. OpenAI watches, learns, and comes to market with the benefit of seeing how investors react to the category. Neither company needs the capital. Both need the exit for early investors and employees.
"The potential for big gains allows firms to raise record amounts of money."
Meanwhile, these late-stage AI rounds are breaking VC. Firms are raising entire funds just to get allocation in OpenAI, Anthropic, and SpaceX deals. The economics are inverted: instead of VCs picking winners, winners are picking which VCs get to play. You need $500 million to a billion to even get a seat at the table. Smaller firms are getting squeezed out or forced into syndicates where they own a fraction of a fraction.
This matters because it creates a two-tier VC market:
- Tier 1: Mega-funds playing in $10B+ rounds for OpenAI, Anthropic, and a handful of others
- Tier 2: Everyone else fighting over Series A and B rounds, hoping to find the next frontier lab before it needs $5 billion
The capital concentration has second-order effects. If you are building an AI company that is not a foundation model, you face a funding environment where the biggest checks are going to your infrastructure providers. If you are an LP (limited partner investing in VC funds), you are watching managers raise bigger funds to chase fewer deals at higher valuations. The risk-reward is compressing.
Here is the pattern forming: AI incumbents stay private through $100B+ valuations, extract maximum value from private markets, then go public when growth rates normalize. It is the SpaceX playbook applied to software. Private markets are becoming the new public markets for the most valuable companies. IPOs are no longer about raising capital. They are liquidity events for insiders and a way to let retail investors buy at the top.
The Implication
If you work at OpenAI or Anthropic, the 2027 IPO window means your equity could finally convert to cash. But it also means the company is signaling it expects growth to slow enough that public market scrutiny becomes tolerable. Watch for talent retention packages to shift as IPO lockups replace the promise of 10x private valuations.
For the rest of the AI ecosystem, this is a canary. When the frontier labs go public, the private capital spigot turns off. Late-stage money that was chasing AI at any price will demand proof of revenue, margin, and a path to profitability. The companies building on top of OpenAI and Anthropic need to get to breakeven before the IPOs close, or they will find themselves in a barren fundraising desert.