Glean vs Horizon3 revenue
Glean reports 3.0× the annualized revenue of Horizon3 on their most recent sourced figures ($300M as of 2026-05-28 vs $100M as of 2026-10-20).
Leaderboard rank: Glean #7, Horizon3 #19. Dates differ, so compare with care.
| Glean | Horizon3 | |
|---|---|---|
| Annualized revenue | $300M self-reported reported, not payment-verified | $100M self-reported reported, not payment-verified |
| Basis | ARR | ARR (self-reported) |
| As of | 2026-05-28 | 2026-10-20 |
| Source | Glean press release (May 28 2026; also on Business Wire) | Horizon3 press release, Business Wire (Oct 20 2026) |
| Revenue figures | ARR $300M (2026-05-28, Glean press release (May 28 2026; also on Business Wire)) ARR $100M (2025-02-05, Glean press release (Feb 5 2025; also on Business Wire)) | ARR $100M (2026-10-20, Horizon3 press release, Business Wire (Oct 20 2026)) |
| Tier | Venture-backed | Venture-backed |
| Founded | — | — |
| Team | HQ Mountain View, CA (company) | Not disclosed in the Oct 20 2026 release; 7,000+ customer organisations and 350,000+ production tests (company) |
| What it does | Enterprise AI assistant and agent builder grounded in a company's own data. | Security company behind NodeZero, an autonomous pentesting agent that attacks an organisation's own production systems to find exploitable attack paths. |
| Business model | Enterprise AI platform sold to large companies (Fortune 500 customer count nearly doubled YoY per company); part consumption-priced, so TechCrunch notes some of the top line is closer to run-rate than strict ARR | Self-service subscription licensing for continuous pentesting, sold largely through a channel-first model (about 80% of customers moved from annual to monthly tests, 40% to weekly, per the release) |
Figures exactly as sourced; MRR×12 where only MRR is public. Machine: compare.json · interactive compare · all comparisons