Irregular
Category: AI Safety
An AI safety and security company that tests and mitigates the risks of advanced AI models. Irregular was founded in 2023. The company is led by Dan Lahav. Based in Tel Aviv, Israel and San Francisco, USA. Team size: N/A. Total funding raised: $80 million. Latest round: Seed/Series A, $80.0M, 2025-09, led by Sequoia Capital. Key investors include Sequoia Capital, Assaf Rappaport, Ofir Ehrlich.
- Founded
- 2023
- Headquarters
- Tel Aviv, Israel and San Francisco, USA
- Team size
- N/A
- Total funding
- $80 million
Value proposition
Proactively identifying and mitigating potential threats and misuse of AI models by testing their limits and understanding their capabilities from the inside.
Products and solutions
AI model safety and security testing, AI risk mitigation solutions
Unique value
Their approach involves working directly with the AI systems to understand and anticipate potential harm from the inside, rather than just building external safeguards.
Target customer
AI developers and organizations creating and deploying large AI models, such as OpenAI and Anthropic.
Industries served
Artificial Intelligence, Cybersecurity
Technology advantage
Deep expertise in AI research and a novel approach to AI safety, validated by partnerships with major AI labs like OpenAI and Anthropic.
How they differentiate
Irregular specializes in AI safety by creating simulated environments to proactively test AI models for vulnerabilities and malicious use cases before deployment. Their unique business model involves being hired directly by leading AI labs to act as an external, specialized 'red team' for their models.
Main competitors
Scale AI, Credo AI, Micro1
Key partnerships
OpenAI, Anthropic
Notable customers
OpenAI, Anthropic, Google DeepMind, Government clients
Major milestones
Emerged from stealth with $80 million raised across Seed and Series A rounds, Achieved a valuation of $450 million, Secured contracts with the world's leading AI labs, including OpenAI and Anthropic
Growth metrics
Not publicly available as the company recently emerged from stealth.
Market positioning
Irregular is positioned as a premium, essential partner for the world's leading AI development companies, focusing on the critical niche of AI safety and security validation for the most advanced models.
Geographic focus
The company operates and focuses on the major technology hubs of Israel (Tel Aviv) and the United States (San Francisco), aligning with the locations of its key clients and investors.
Patents and IP
Not publicly available.
About Dan Lahav
Co-Founder & CEO of Irregular. Previously a Research Staff Member at IBM, a Software Engineer at Google, and a Software Engineer at LabPixies (acquired by Google). Holds a PhD in Computer Science from the Weizmann Institute of Science.
Official website: https://www.irregular.com/