{"changes":[],"country":"US","description":"Tenzai builds an autonomous AI hacker that runs full penetration tests end to end, mapping attack surface, chaining weaknesses, and producing reproducible exploits. It serves enterprises, especially those shipping AI-written code, needing continuous offensive security. Its edge is agentic, always-on pentesting at machine speed.","domain":"tenzai.ai","employees":null,"founded":2024,"fundingTotalQuarantined":false,"githubOrg":null,"githubStars":null,"industry":"cybersecurity","investors":["greylock"],"lat":null,"lng":null,"location":"San Francisco","name":"Tenzai","rounds":[{"amountQuarantined":false,"amountUsd":75000000,"currency":"USD","date":"2025-01-01","investors":["greylock"],"leadInvestor":"greylock","source":{"fact":"round","publisher":"vc-portfolio","retrievedAt":"2026-05-16","status":"attributed","url":null},"status":"attributed","type":"seed","url":null}],"slug":"tenzai-ai","sources":[{"fact":"round","publisher":"vc-portfolio","retrievedAt":"2026-05-16","status":"attributed","url":null},{"fact":"existence","publisher":"tenzai.ai","retrievedAt":"2026-05-16","status":"self-reported","url":"https://tenzai.ai"},{"fact":"description","publisher":"tenzai.ai","retrievedAt":"2026-05-16","status":"self-reported","url":"https://tenzai.ai"}],"stage":"seed","techStack":[],"totalRaisedUsd":75000000,"updatedAt":"2026-05-16"}