Two numbers. One company. One round.
PitchBook and Crowdfund Insider are now reporting OpenAI’s current funding round at $122B. Nine days ago, reporting from the same financial press put the figure at $110B. Neither number comes from a primary source, no SEC Form D filing, no official company announcement, and no named press release has been cited in publicly available reporting as of May 18. The $12B gap is the story, not the headline figure.
xAI is part of the same capital picture. PitchBook reports a $20B raise for Elon Musk’s AI company in the same period. That figure comes from a single source. Lead investors for both rounds remain undisclosed in any reporting reviewed for .
The catch is that the $12B discrepancy has at least three plausible explanations, and they carry very different implications. First: the $122B figure could reflect additional close tranches added after initial reporting, which would be consistent with how large private rounds often close in stages. Second: one figure is simply wrong, which happens regularly with subscription-gated financial data that sources from the same underlying press releases. Third: the two figures measure different things, pre-close commitments versus actual close, for instance, and neither is fully accurate on its own.
The real story is what this reveals about data reliability at the frontier lab scale. When a single company raises capital in the $100B+ range, the sourcing infrastructure that works for a $200M Series B breaks down. PitchBook is institutional-grade. But it’s still a secondary aggregator drawing from reported figures, not filings. Crowdfund Insider is financial journalism. Neither is a primary source for a transaction of this size.
That matters for the IPO trajectory specifically. Secondary market valuation for OpenAI has been reported at approximately $852B in separate coverage from May 16, a different metric entirely from a private fundraising round, but often conflated in coverage. Investors trying to build a pre-IPO model need to know which figure they’re anchoring to and what source supports it.
xAI’s $20B raise, if confirmed, puts it in the same capital tier as Anthropic’s recently closed $30B Series G. That’s a meaningful compression of the frontier lab funding spread, six months ago, the gap between the top three frontier labs by capital raised was considerably wider. Whether that convergence reflects competitive pressure, investor diversification, or both is worth watching as Q2 closes.
Don’t bet on the $122B figure being the final one. Large private rounds often have additional close dates, and financial press typically updates figures as new commitments are confirmed rather than waiting for a single definitive announcement. The number that matters for investors is what gets disclosed in an S-1, not what gets reported in PitchBook ahead of it.
Watch the OpenAI IPO filing timeline. If the round closes at $122B with a disclosed lead investor, that will be the first primary source confirmation of either figure and will reset the investor baseline for pre-IPO valuation modeling. Until then, treat both figures as reported estimates.