Directory / Agent Observability & Evals
Patronus AI
AI behavioral research lab building evaluations and environments for agents
Headcount
72
▲ 22.0%▲ 60.0%3m · 6m
src: Clay (LinkedIn headcount)
X followers
2,952
——7d · 30d
src: X API public metrics 2026-11-04
Traffic / month
25.9K
src: Semrush
// profile
Product
- Agent type
- AI-agent evaluation, observability, and optimization platform (for governing and testing AI agents)
- Primary buyer
- AI/ML engineering and application-development teams
- Integrations
- LangChain, Hugging Face, CrewAI, and OpenAI. MCP support is mentioned: Patronus describes its LLM evaluator offering as an MCP server.
- Pricing
- Free tier, usage-based, enterprise/contact sales · from $10 per 1,000 evaluator API calls
- HQ
- San Francisco, California, United States
- Founded
- —
- Profile ↗
src: patronus.ai/pricing
// capital
Funding
- Date
- Jun 25, 2026
- Source
- Announcement ↗
- Investors
- Amjad Masad, Datadog, Factorial Capital, Gokul Rajaram, Greenfield Partners, InvestInData, Lightspeed Venture Partners, Notable Capital, Samsung
// team
Hiring
- Employees
- 72
- Growth 3m / 6m
- +22.0% / +60.0%
- Open roles (sample)
- Expert: Healthcare (Contract, Remote)
- Expert: Sales (Contract, Remote)
- Expert: Finance (Contract, Remote)
- Expert: Interactive Coding, Site Reliability Engineering (Contract, Remote)
- Expert: Legal (Contract, Remote)
- Expert: Interactive Coding, Payments Processing (Contract, Remote)
- X mentions this week
- 15
- X handle
- @PatronusAI
src: Clay (LinkedIn headcount)
src: Clay (LinkedIn headcount)
src: Clay open jobs
src: X API public metrics 2026-11-04
// x.com
Top launch posts
// press
Recent news
// awaiting data
No news tracked yet
This view fills in automatically once the weekly dataset is loaded.
// provenance
Sources
- Headcount
- Clay (LinkedIn headcount)
- Open jobs
- Clay open jobs
- Traffic
- Semrush
- X metrics
- X API public metrics 2026-11-04
- X handle (homepage-verified)
- —
- x_buzz
- X API recent counts, 7 days to 2026-11-04
// faq
About Patronus AI
What does Patronus AI do?+
AI behavioral research lab building evaluations and environments for agents
How much has Patronus AI raised most recently?+
Series B of $50M on Jun 25, 2026, led by Greenfield Partners.
How many employees does Patronus AI have?+
About 72 (3-month growth +22.0%).
How is Patronus AI priced?+
Free tier, usage-based, enterprise/contact sales, starting at $10 per 1,000 evaluator API calls.