Fiddler Labs

Fiddler Labs is a developer of an AI observability platform for monitoring, explainability, and responsible AI practices. The platform offers capabilities for model monitoring, LLM observability, and agentic observability, providing tools for detecting model drift, assessing performance, and setting alerts. It supports NLP and computer vision monitoring, explainable AI, analytics, and responsible AI practices. Fiddler helps enterprises deploy AI confidently by ensuring model transparency, fairness, and compliance with regulatory requirements. The platform serves industries including finance, healthcare, and technology where AI accountability is critical. Founded in 2018 and headquartered in Palo Alto, California, Fiddler Labs has raised $100 million at the Series C stage from investors including Insight Partners, Lightspeed Venture Partners, Lux Capital, In-Q-Tel, Alexa Fund, Lockheed Martin, Bloomberg Beta, Cisco Investments, Samsung NEXT, Alteryx, and Mozilla Ventures.