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AI Stocks & MarketsAI Business & IndustryFortune AIPublished: Jul 31, 2026, 10:00 JST5 min read

OpenAI researcher quits, warns colleagues equity may crash 50%

OpenAI researcher quits, warns colleagues equity may crash 50%

Key takeaway

  • Andrew Ho, a former OpenAI researcher, left the company after eight months and publicly warned that frontier AI lab valuations are overvalued, potentially facing a 50% decline.

  • Ho holds $700K in OpenAI equity locked until after the IPO and believes that competition from cheaper models is forcing labs into unsustainable spending cycles where revenue cannot keep pace with costs.

  • He argues that the real beneficiaries are chip makers like Nvidia and Micron, while AI labs themselves must either build proprietary chips or move into applications to survive.

3 Key Points

  1. What happened

    Andrew Ho left OpenAI after eight months and publicly advised colleagues to sell equity in tender offers, warning that frontier AI lab valuations are inflated and could fall by 50% even as a 2x gain after IPO seems unlikely.

  2. Why it matters

    Ho holds $700K in locked-up OpenAI shares he cannot sell until after IPO, and his concern reflects growing doubt in the market about whether AI labs' spending on compute will ever generate sufficient revenue to justify their valuations—a worry that has already driven selloffs in Meta (10%) and Google (8%).

  3. What to watch

    Ho argues that Nvidia and Micron are the real winners in the AI spending race, while labs must either build their own chips to challenge Nvidia's pricing power or move into applications and products to capture more of the value their models create.

In Depth

Read the full story

On Wednesday morning, Andrew Ho announced his departure from OpenAI after eight months as a researcher. He posted that he was starting a company to sell high-end reinforcement learning datasets to frontier AI labs. Hours later, still awake around 5 a.m., he posted unsolicited advice to his former colleagues: take liquidity in tender offers. "I would strongly recommend taking liquidity if you're eligible for tender offers," he wrote, adding that while a 2x valuation gain after IPO seemed implausible, a 50% decline was credible. The posts arrived during a tech selloff that had pushed the Nasdaq 100 into correction territory the previous day, drawing hundreds of thousands of anxious responses.

In an interview with Fortune, Ho explained his position. He holds about $700K in shares legally locked until after IPO and lockup period—shares he cannot sell despite his bearish view. "I'm just stuck," he said. Ho's concern is rooted in what analysts call a "Red Queen's race": frontier labs must pay more for each training cycle, yet the competitive advantage is temporary. Cheaper competitors like Moonshot's Kimi can close capability gaps for a fraction of the cost through distillation. Revenue will almost certainly rise with each new model, Ho said, but the question is whether it rises fast enough. "If you miscalculate even by just a very fine amount, that can be the difference between life or death for a company." Most peers believe they're on the cusp of recursive self-improvement (RSI), where AI systems improve themselves iteratively in a parabolic curve. Ho does not buy it. Research, he argued, isn't limited by model intelligence but by "research taste"—the ability to propose good experiments and recognize which results matter. "You can't reason your way to phenomena," he said.

Ho's skepticism puts him at odds with podcaster Dwarkesh Patel, who argued compute costs could rise 10x and thus revenue could scale 10x with RSI. But it aligns with Wall Street: Meta sold off 10% last Wednesday and Google 8% the previous week, both on fears that companies funding the buildout won't recoup their investment. Speaking as part investor, Ho identified the real winners: "Nvidia and Micron," which sell chips to everyone in the race. Labs have two hard paths out of the squeeze. They could build their own chips and break Nvidia's pricing power, or move into applications and products—like Meta buying Cursor—to capture more of the value their models create. "Right now," Ho said, "the labs capture a fraction of the value their models create in the economy, and that gap is very undercapitalized at the moment." Ho's first products will focus on long-horizon scientific reasoning and statistical analysis, filling the gap left after the low-hanging, easily-verifiable fruit has been picked. For now, he is fielding interest in his unnamed company while stressing over his locked-up equity: "It's this huge proportion of my net worth."

Context & Analysis

Andrew Ho's departure and public warning mark a rare candid moment in Silicon Valley's AI boom. His concern centers on a fundamental math problem: frontier labs are locked in escalating spending cycles where each new model requires more compute investment, but the competitive advantage is temporary because cheaper models can replicate capabilities through distillation. Ho rejects the widely-circulated theory that recursive self-improvement (RSI) will create a parabolic cost curve and justifying investment, arguing instead that research is limited not by model intelligence but by "research taste"—the ability to propose valuable experiments and recognize important results. This gap between capability and reasoning has meant spending has concentrated on verifiable tasks (mathematical proofs, code compilation), while messier domains remain stuck, creating the opportunity Ho sees in high-quality judgment datasets.

His skepticism aligns with recent market moves: Meta sold off 10% and Google 8% last week amid fears that companies funding the buildout won't recoup their investment. Yet Ho's framing also reveals asymmetry in who wins: Nvidia and Micron, selling chips into the race regardless of outcome, capture stable value while labs themselves operate on thin margins. Ho suggests two hard exits—labs could build proprietary chips to break Nvidia's pricing power, or move into applications and products (as Meta did with Cursor) to capture more downstream value. For now, Ho is stressed about his own locked equity, unable to act on his bearish view until IPO lockup lifts.

FAQ

Why did Andrew Ho leave OpenAI?
Ho left after eight months to start a company selling high-end reinforcement learning datasets to frontier AI labs, focusing on long-horizon scientific reasoning and statistical analysis—work he believes is the next frontier after verifiable, checkable tasks have been exhausted.
What is Ho's main concern about frontier AI labs' valuations?
Ho believes labs are caught in a "Red Queen's race" where they must spend more for each training cycle but face temporary advantages that cheaper competitors can close through distillation, making revenue growth uncertain and valuations unsustainable. He fears that even small miscalculations in cost-versus-revenue projections could be fatal.
Why can't Ho sell his OpenAI shares right now?
His $700K in equity is locked until after OpenAI's IPO and lockup period expire, leaving him unable to reduce exposure to a company he believes is overvalued.

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