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The AI funding window is closing: slowing revenue, IPO fails, and a bankrupt OpenAI
latest feature
The AI funding window is closing: slowing revenue, IPO fails, and a bankrupt OpenAI
Roger Montgomery
October 21, 2026
For two years, Silicon Valley and global equity markets agreed that artificial intelligence (AI) is an uncapped frontier where aggressive capital deployment and unchecked spending would automatically yield exponential returns. Or, perhaps, equity markets believed the spin coming out of Silicon Valley.
Whichever scenario is true, reported operating results over the past week have confirmed the shift in sentiment toward AI.
Slowing revenue, public market pullbacks, and fluid enterprise strategies suggest the market’s appetite for unconstrained AI spending is finally hitting a ceiling. Investors have well and truly moved past the honeymoon phase and are demanding proof of a sustainable economic model. continue…
For two years, Silicon Valley and global equity markets agreed that artificial intelligence (AI) is an uncapped frontier where aggressive continue...



















