AI · company signal
INT21 @int21_ai
INT21 is building Self-Improving Infrastructure, a new category of AI agent swarms that run autonomously and compound in performance.
frontrun watches the follow graphs of 2,000+ venture investors on X. INT21 was first flagged on 2026-06-23 - the moment tracked investors began converging on it. 7 of them follow today. that count is public; which investors they are, when each followed, and the daily change is what the product shows.
see who's behind the 7 follows on INT21, plus every company they follow next. start a 7-day free trial →
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data updated 2026-08-03 · trending ai startups · trending this week · startups by sector