I've seen this quote in a couple places and it's misleading.

Using non-seasonally adjusted St. Louis FRED data (https://fred.stlouisfed.org/series/NA000349Q), and the AI CapEx spending for Meta, Alphabet, Microsoft, and Amazon from the WSJ article (https://www.wsj.com/tech/ai/silicon-valley-ai-infrastructure...):

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Q4 2025 consumer spending: ~$5.2 trillion

Q4 2025 AI CapEx spending: ~$75 billion

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Q1 2025 consumer spending: ~$5 trillion

Q1 2025 AI CapEx spending: ~$75 billion

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Q2 2025 consumer spending: ~$5.2 trillion

Q2 2025 AI CapEx spending: ~$100 billion

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So, non-seasonally adjusted consumer spending is flat. In that sense, yes, anything where spend increased contributed more to GDP growth than consumer spending.

If you look at seasonally-adjusted rates, consumer spending has grown ~$400 billion, which might outstrips total AI CapEx in that time period, let alone growth. (To be fair the WSJ graph only shows the spending from Meta, Google, Microsoft, and Amazon. But it also says that Apple, Nvidia, and Tesla combined "only" spent $6.7 billion in Q2 2025 vs the $96 billion from the other four. So it's hard to believe that spend coming from elsewhere is contributing a ton.)

If you click through the the tweet that is the source for the WSJ article where the original quote comes from (https://x.com/RenMacLLC/status/1950544075989377196) it's very unclear what it's showing...it only shows percentage change, and it doesn't even show anything about consumer spending.

So, at best this quote is very misleadingly worded. It also seems possible that the original source was wrong.