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Patronus AI

DeepSeries A

AI Safety for Enterprise

🌐 www.patronus.aiLinkedInX / Twitter📍 CAEst. 2023👥 11-50 employees
1Rounds
0Articles
General InformationPatronus AI is an AI safety and evaluation platform company founded in 2023, based in California, with 11-50 employees focused on enterprise AI risk mitigation.
Funding & FinancialsPatronus AI raised a Series A funding round in 2024 with backing from prominent venture investors including Sequoia Capital and Homebrew.
Leadership & TeamCEO Jack Langelaan co-founded the company; the team includes AI safety researchers and enterprise software engineers with backgrounds from leading AI labs.
Recent ActivityThe company has expanded its evaluation platform to include automated red-teaming and real-time monitoring capabilities for enterprise LLM deployments in 2024.

Highlights

Total Raised
1 rounds
Latest Round
$50
Jul 3, 2026
Stage
Series A
deep-tech
Employees
11-50
Founded 2023
Headquarters
CA
News Coverage
Talent Signals
SEC Filings

Backers

Datadog
Greenfield Partners
Lightspeed
Notable Capital
Samsung

Funding History

$50
2026
Series B
SEC Form D   Editorial
Jul 3, 2026
$50 millionSeries B · Editorial

Investors: Greenfield Partners, Notable Capital, Lightspeed, Datadog, Samsung

AI safety startup building digital worlds to stress-test AI agents, raised $50M Series B to develop simulation environments for frontier labs.

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