capital · May 20, 2026
Vellum Raises $25M Series A for AI Developer Platform
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Vellum closed a $25M Series A round in the week of May 4-11, 2026. The round was backed by Rebel Fund, Y Combinator and Eastlink Capital for the AI developer platform focused on LLMOps. Vellum's roster of production customers all preceded the raise. US Series A activity totaled $162.8M across five deals that week with Vellum as the AI/LLMOps entry.
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