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AI Round-Size Trends
How big is an AI round now, by stage?
The median AI Series B round went from $25M in early 2023 to $51M (+102%). Seed barely moved (+9.1%). Here is every stage, quarter by quarter.
Seed median
$6M
+9.1% since 2023 Q1
Series A median
$18M
+42.9% since 2023 Q1
Series B median
$51M
+102% since 2023 Q1
Stages:
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Median disclosed round size by funding stage, per calendar quarter, across funded AI startups. Quarters with fewer than 3 disclosed rounds in a stage are not plotted. 2026 Q2 is a partial quarter.