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Haize Labs

AI red teaming startup, acquired into a holding company

Human-led engagementsAutomated platformAgents and toolsRuntime guardrails

Haize Labs built the Haize Suite of algorithms that automatically jailbreak and stress-test LLMs, plus guardrails, evaluation tools, red team engagements with frontier labs, and the open-source Verdict judge library. Beacon Software, a Toronto holding company, bought it in Sep 2026 and made the team its internal Applied AI Research Group. Whether outside buyers can still hire it is unclear.

Best for: Watch only: confirm it still serves outside clients before planning a project.

Acquired by Beacon Software (Sep 2026)

  • – Maps to OWASP
  • – Maps to MITRE ATLAS
  • – Maps to the EU AI Act
  • – SOC 2 or ISO 27001
Visit Haize Labs

Facts checked November 9, 2026 against the sources listed below. Haize Labs does not pay to appear here.

1 Legal nameHaize Labs
2 HeadquartersNot disclosed
3 Founded2024
4 TeamNot disclosed
5 What they testLLM apps, Agents and tool use, Prompt injection and jailbreaks, Bias and harms
6 FrameworksNot disclosed
7 CertificationsNot disclosed
8 Published pricesNot disclosed
9 Customers and partnersIts CEO told VentureBeat in 2024 that Anthropic was a client.

Worth knowing before you sign

  • Absorbed into a non-security holding company; nothing said about existing customers or products.
  • Verdict library has had no PyPI release since Jul 2025.
  • Funding figures conflict across sources.

Go to Haize Labs's site

Sources

  1. The Next Web: Beacon acquires Haize Labs
  2. BERI: vendor continuity analysis
  3. VentureBeat: algorithmic jailbreaking
  4. arXiv: Verdict paper

Work at Haize Labs? Send corrections with a source to editors@bestairedteamingcompanies.com. We fix verified errors within five business days.

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