{"changes":[],"country":"US","description":"Irregular is a security research lab that stress-tests frontier AI models against offensive-security benchmarks to surface safety and misuse risks. It works with the major AI labs releasing those models, publishing evaluations of systems like GPT-5.5 and Meta Muse Spark. The lab focuses purely on frontier-AI risk, not general cybersecurity.","domain":"irregular.com","employees":null,"founded":2023,"fundingTotalQuarantined":false,"githubOrg":null,"githubStars":null,"industry":"cybersecurity","investors":["sequoia"],"lat":39.78373,"lng":-100.445882,"location":"United States, US","name":"Irregular","rounds":[{"amountQuarantined":false,"amountUsd":80000000,"currency":"USD","date":"2025-09-17","investors":["sequoia"],"leadInvestor":"sequoia","source":{"fact":"round","publisher":"techcrunch","retrievedAt":"2026-05-22","status":"attributed","url":null},"status":"attributed","type":"series-b","url":null}],"slug":"irregular-com","sources":[{"fact":"round","publisher":"techcrunch","retrievedAt":"2026-05-22","status":"attributed","url":null},{"fact":"existence","publisher":"irregular.com","retrievedAt":"2026-05-22","status":"self-reported","url":"https://irregular.com"},{"fact":"description","publisher":"irregular.com","retrievedAt":"2026-05-22","status":"self-reported","url":"https://irregular.com"}],"stage":"series-b+","techStack":["Google Analytics","Google Tag Manager","Framer Sites","DoubleClick Floodlight","Vercel Speed Insights","WordPress","React 16.13.1","PHP","MySQL"],"totalRaisedUsd":80000000,"updatedAt":"2026-05-22"}