Anthropic's data vendor spend run-rate hits ~$2.4B, up ~60x in 3 years
AccBalanced · x · 2026-11-03
Per tanayj's breakdown of Anthropic's S-1, the company's data vendor spend run-rate jumped from $40M (Dec '23) to $240M (Dec '24), $530M (Dec '25), $900M (Jun '26), and now $2.4B (Sep '26) — nearly doubling in a single quarter. As a share of compute spend it stays roughly flat at 4-7.5%, indicating this is data quality & evaluation investment scaling with the business. A fuller S-1 breakdown is forthcoming.
Related event: Anthropic S-1 Reveals $900 Billion Infrastructure Commitments Ahead of IPO(7 posts)→
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