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May 2026Public materials show a Janus-to-Kairos naming/domain transition: the site and legal docs reference both withjanus.com and withkairos.co / Janus AI, Inc.
SourceCompany research
Public company, workplace, funding, and market signals
Updated Jul 29, 2026
Overview
Kairos (also operating as Janus / withjanus.com) is a San Francisco-based applied AI company building a simulation testing platform for AI agents. The product generates synthetic users and runs multi-turn simulations to surface hallucinations, rule violations, tool-call failures, and other reliability issues before deployment.
Primary product
Janus AI simulation testing platform
Founded
2025
Headquarters
San Francisco, CA, USA
Team size
2-10 employees
Industry
Technology, Information and Internet
Sub-industry
AI simulation testing / AI evaluation
Offices
San Francisco, CA, USA