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afra's avatar

this piece gives me so much clarity on the ai trajectory, thanks for writing it steve!

blake harper's avatar

Good essay, looking forward to future ones. Three objections to your argument here — curious for your thoughts.

1/ on RSI — you suggest this may be happening, but what leads you to believe this? Section 9.1.3 of GPT 5.5’s system card is remarkably candid that they’re seeing effectively none of this — which is a striking admission if part of their valuation is premised on the inevitability of takeoff. Ie “Trust me, we have to run in the red because we have to get to RSI first!”

2/ on China — you don’t cover the price and margin compression dynamics that open source which is “good enough” create for frontier labs. If I can get sonnet-level performance out of deepseek v4 for pennies on the dollar per 1M output tokens compared to frontier labs, why would I pay extra if all I really need is sonnet-level performance? Good enough is good enough, for what I expect will be the vast majority of consumer and enterprise workloads (basic text summarization and retrieval stuff). There are really diminishing marginal returns to frontier performance unless you believe they’re getting closer to takeoff. China’s play (IMO the smart one) is to just structurally undercut US frontier lab margins, ushering in the next winter and then claiming dominance. But they don’t believe in AGI, so that’s not their goal.

3/ On rates of improvement — a lot of this seems premised on either 1 or 2 not being a structurally-persistent issue. But even if continued linear improvement WERE possible, giving diminishing marginal returns, why would investors front the capital required to fund increasingly-less profitable training runs? Even if there’s more low-hanging fruit to pluck, why should we assume there will be private appetite to pluck it?

Finally — as someone who has led private companies I’m sure you’re familiar with the importance of messaging discipline in the road to IPO or acquisition. So wouldn’t you agree that it’s a little suspicious for both OpenAI and Anthropic to publicly claim they’ll void any insider share selling in forward contracts or SPVs? Like, what’re they so afraid of here? Why feel compelled to make this announcement at all? Unless insiders and their creditors systematically believe these companies are overvalued and see the unit economics writing on the wall. OpenAI is trading at a discount in secondary markets already and MSFT is almost certainly going to programmatically trim their ~30% stake. How does all this not spell trouble?

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