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. 10 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 10 follows on INT21, plus every company they follow next. start a 7-day free trial →
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data updated 2026-09-14 · trending ai startups · trending this week · startups by sector