Today, we’re excited to announce that enterprise-ready Fiddler is generally available, and we’ve raised $32 Million in Series B funding!

Fiddler AI raises $30M in Series C funding. Fiddler AI, a Palo Alto, California-based provider of an enterprise AI observability and security platform, raised $30m in Series C funding. The round was led by RPS Ventures, with participation from existing investors Lightspeed Venture Partners, Lux Capital, Insight Partners, Capgemini Ventures, Dallas VC, Dentsu Ventures, and Mozilla Ventures, and new investors LG Technology Ventures, Benhamou Global Ventures, and LDV Partners. The company, which has secured $100m in total funding to date, intends to use the funds to expand operations and to scale its platform across regulated industries like healthcare, financial services, and insurance. Led by Co-founder and CEO Krishna Gade, Fiddler AI develops an all-in-one AI Control Plane that provides visibility, context, and control for AI agents, GenAI, and ML applications through proprietary trust models, evaluations, monitoring, and analytics capabilities. Its control plane for compound AI systems enables businesses to diagnose, explain, and govern their agentic decisions in real time. The company has grown its revenue more than 4x in the last 18 months, and achieved AWS Pattern Partners status. It serves Fortune 500 organizations.

Palo Alto, California-based Fiddler AI said its $18.6 million Series B extension brings the round's total funding to $50 million. The company said the funds will help it "continue to build momentum in AI observability and AI safety."