Citadel AI
Citadel AI is an artificial intelligence company in Tokyo, Japan, founded in 2020. It has raised $4.6M across 2 rounds, most recently a $3.7M Series A in July 2023.
Trust your AI systems
- Headquarters
- Tokyo
- Employees
- 11–50
- Founded
- 2020
- Business Model
- B2B
- Website
- citadel-ai.com
- Total Funding
- $4.6M
- Last Round
- $3.7M Series AJul 2023
- Rounds
- 2
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 2 funding rounds and 4 investors for this company. The full record is or through the API.
About
Citadel AI is a Tokyo-based software company that builds products to test, monitor, and govern high-risk AI systems. Its flagship product, Citadel Lens, is a unified platform enabling engineering and compliance teams to evaluate LLMs, computer vision, and tabular AI models — providing out-of-the-box jailbreak testing for generative AI, ISO-compliant reports for predictive AI, and real-time monitoring across the full AI development lifecycle. Citadel AI also offers LangCheck, an open-source library for multilingual LLM evaluation. The company serves regulated industries including healthcare, manufacturing, financial services, and automotive, and has partnered with BSI (British Standards Institution) for AI certification. Citadel AI is a Certified AI Assurance Resource Provider in Singapore's Global AI Assurance Sandbox and the Coalition for Health AI (CHAI). Founded December 10, 2020 by co-founders Hironori 'Rick' Kobayashi (CEO) and Kenny Song (CTO), the company operates from Shibuya/Bunkyo, Tokyo, and has approximately 11–50 employees.
Summary
It lists 11–50 employees. It has raised $4.6M in total across 2 rounds, most recently a $3.7M Series A round in Jul 2023. Investors include UTokyo Innovation Platform, ANRI and Mitsubishi UFJ Financial.
Tech & App Stack
7 technologies & apps tracked
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Funding History
Jul 2023
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Funding: Seed through Series A. Amounts, valuations, and investors where available.
Investors
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