What Patronus AI does
Patronus AI describes itself as a research lab developing training data and simulated environments for frontier AI.[1] It builds what it calls "digital world models," replicas of websites and internal systems in which AI agents are stress-tested after reinforcement learning training, as reported by TechCrunch in Jun 2026.[2] Patronus AI unveiled its Digital World Models alongside its Series B on Jun 25, 2026.[3] As of June 2026 its simulated worlds covered software engineering and finance tasks, according to TechCrunch.[2] The company also publishes research benchmarks such as FinanceBench, which tests financial reasoning against real company documents.[1]
Business model and customers
Patronus AI says it "works with the majority of the world's leading frontier AI labs and hyperscalers" (Jun 2026).[3] Notable Capital managing director Glenn Solomon told TechCrunch in Jun 2026 that virtually every frontier AI lab and many emerging startups are Patronus customers.[2] Patronus AI says its revenue grew more than 15x in the year to June 2026.[3] According to TechCrunch, Patronus sees its main competition as the internal agent-evaluation teams that AI labs have built.[2]
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Recent changes
- Jun 25, 2026Jun 25, 2026Raised $50M Series B TechCrunch
- Jun 25, 2026Jun 25, 2026New investor: Lightspeed Venture Partners TechCrunch
- Jun 25, 2026Jun 25, 2026New investor: Samsung TechCrunch
- Jun 25, 2026Jun 25, 2026New investor: Greenfield Partners TechCrunch
- Jun 25, 2026Jun 25, 2026New investor: Notable Capital TechCrunch
Earlier changes (2)
- Jun 25, 2026Jun 25, 2026New investor: Datadog TechCrunch
- Jun 25, 2026Jun 25, 2026Patronus AI Lands $50M to Build Digital Worlds That Stress-Test AI Agents Pulse story
Funding History
1 event · sources dated per row| Date | Event | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| Jun 25, 2026 | Series B | $50M | — | Greenfield PartnersLeadLightspeed Venture PartnersNotable CapitalDatadogSamsungFactorial CapitalGokul Rajaram | Pulse story |
How Patronus AI has been funded
On Jun 25, 2026, Patronus AI announced a $50 million Series B led by Greenfield Partners.[3] Existing investors Notable Capital, Lightspeed Venture Partners, Datadog, Samsung, Factorial Capital and Gokul Rajaram also took part in the Series B, according to the company.[3] The company says the Series B brought Patronus AI's total capital raised to $70 million.[3],[2]
Investors and their roles
- Greenfield Partners (led the Series B, Jun 2026)[3]
- Notable Capital (existing investor; participated in the Series B, Jun 2026)[3]
- Lightspeed Venture Partners (existing investor; participated in the Series B, Jun 2026)[3]
- Datadog (existing investor; participated in the Series B, Jun 2026)[3]
- Samsung, named as Samsung Ventures by SiliconANGLE (existing investor; participated in the Series B, Jun 2026)[3],[4]
- Factorial Capital (existing investor; participated in the Series B, Jun 2026)[3]
- Gokul Rajaram (existing investor; participated in the Series B, Jun 2026)[3]
Investors
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Patronus AI FAQ
How much has Patronus AI raised?
Patronus AI has raised $70 million in total, including a $50 million Series B announced Jun 25, 2026, according to the company.[3]
Who invested in Patronus AI?
Greenfield Partners led Patronus AI's Jun 2026 Series B, with Notable Capital, Lightspeed Venture Partners, Datadog, Samsung, Factorial Capital and Gokul Rajaram participating.[3]
Who founded Patronus AI?
Patronus AI was founded in 2023 by former Meta AI researchers Anand Kannappan and Rebecca Qian, as reported by TechCrunch.[2]
Who is the CEO of Patronus AI?
Anand Kannappan is CEO and co-founder of Patronus AI, per its Jun 2026 Series B announcement.[3]
Where is Patronus AI based?
Patronus AI is based in San Francisco, as reported by TechCrunch in Jun 2026.[2]
Is Patronus AI public?
Patronus AI raised a private $50 million Series B in Jun 2026, so it is privately held as of that date.[3]
References
researched 2026-10-19Sources & methodologyshow
Where these figures come from
- TechCrunchmajor outlet1 fact
Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.